22012162052 has 48 divisors (see below), whose sum is σ = 40530454272. Its totient is φ = 10440376320.

The previous prime is 22012162043. The next prime is 22012162129. The reversal of 22012162052 is 25026121022.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 5696273 + ... + 5700135.

It is an arithmetic number, because the mean of its divisors is an integer number (844384464).

Almost surely, 2^22012162052 is an apocalyptic number.

It is an amenable number.

22012162052 is a deficient number, since it is larger than the sum of its proper divisors (18518292220).

22012162052 is a wasteful number, since it uses less digits than its factorization.

22012162052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388 (or 4386 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 22012162052 its reverse (25026121022), we get a palindrome (47038283074).

The spelling of 22012162052 in words is "twenty-two billion, twelve million, one hundred sixty-two thousand, fifty-two".