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1022210022220 = 225199256836689
BaseRepresentation
bin11101110000000000111…
…01110001101101001100
310121201111120111110021121
432320000131301231030
5113221441231202340
62101332524210324
7133565213553262
oct16700035615514
93551446443247
101022210022220
113645759aa362
121461400999a4
13755177a381a
1437692058432
151b8cb52d94a
hexee00771b4c

1022210022220 has 24 divisors (see below), whose sum is σ = 2157428196000. Its totient is φ = 406829313792.

The previous prime is 1022210022191. The next prime is 1022210022227. The reversal of 1022210022220 is 222200122201.

It is a super-3 number, since 3×10222100222203 (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022210022194 and 1022210022203.

It is not an unprimeable number, because it can be changed into a prime (1022210022227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128414365 + ... + 128422324.

It is an arithmetic number, because the mean of its divisors is an integer number (89892841500).

Almost surely, 21022210022220 is an apocalyptic number.

1022210022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022210022220 is an abundant number, since it is smaller than the sum of its proper divisors (1135218173780).

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

1022210022220 is a wasteful number, since it uses less digits than its factorization.

1022210022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256836897 (or 256836895 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1022210022220 its reverse (222200122201), we get a palindrome (1244410144421).

The spelling of 1022210022220 in words is "one trillion, twenty-two billion, two hundred ten million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 256836689 513673378 1027346756 1284183445 2568366890 5136733780 51110501111 102221002222 204442004444 255552505555 511105011110 1022210022220