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2222002222220 = 2251119531579479
BaseRepresentation
bin100000010101011001101…
…001110011010010001100
321212102101011012020020202
4200111121221303102030
5242401130032102340
64420435043033032
7316351200154364
oct40253151632214
97772334166222
102222002222220
11787389366210
122ba78006b778
131316c3002b41
147978cb2d9a4
153cbecd6dc15
hex20559a7348c

2222002222220 has 48 divisors (see below), whose sum is σ = 5358321158400. Its totient is φ = 765474448320.

The previous prime is 2222002222217. The next prime is 2222002222249. The reversal of 2222002222220 is 222222002222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2222002222192 and 2222002222201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265785560 + ... + 265793919.

It is an arithmetic number, because the mean of its divisors is an integer number (111631690800).

Almost surely, 22222002222220 is an apocalyptic number.

2222002222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222002222220 is an abundant number, since it is smaller than the sum of its proper divisors (3136318936180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222002222220 is a wasteful number, since it uses less digits than its factorization.

2222002222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531579518 (or 531579516 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2222002222220 its reverse (222222002222), we get a palindrome (2444224224442).

The spelling of 2222002222220 in words is "two trillion, two hundred twenty-two billion, two million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 836 1045 2090 4180 531579479 1063158958 2126317916 2657897395 5315794790 5847374269 10100010101 10631589580 11694748538 20200020202 23389497076 29236871345 40400040404 50500050505 58473742690 101000101010 111100111111 116947485380 202000202020 222200222222 444400444444 555500555555 1111001111110 2222002222220