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2242402220 = 225112120111
BaseRepresentation
bin1000010110101000…
…0101011110101100
312210021110211120002
42011222011132230
514043023332340
61010302243432
7106366050542
oct20552053654
95707424502
102242402220
11a50860a83
12526b86578
13299759726
14173b57d92
15d1ce5715
hex85a857ac

2242402220 has 12 divisors (see below), whose sum is σ = 4709044704. Its totient is φ = 896960880.

The previous prime is 2242402219. The next prime is 2242402223. The reversal of 2242402220 is 222042422.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 112120111 = 2242402220 / (2 + 2 + 4 + 2 + 4 + 0 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2242402192 and 2242402201.

It is not an unprimeable number, because it can be changed into a prime (2242402223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56060036 + ... + 56060075.

It is an arithmetic number, because the mean of its divisors is an integer number (392420392).

Almost surely, 22242402220 is an apocalyptic number.

2242402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242402220 is an abundant number, since it is smaller than the sum of its proper divisors (2466642484).

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

2242402220 is a wasteful number, since it uses less digits than its factorization.

2242402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112120120 (or 112120118 counting only the distinct ones).

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

The square root of 2242402220 is about 47354.0095451272. The cubic root of 2242402220 is about 1308.8940844102.

Adding to 2242402220 its reverse (222042422), we get a palindrome (2464444642).

The spelling of 2242402220 in words is "two billion, two hundred forty-two million, four hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 112120111 224240222 448480444 560600555 1121201110 2242402220