22052912 has 20 divisors (see below), whose sum is σ = 48831696. Its totient is φ = 9451200.

The previous prime is 22052911. The next prime is 22052923. The reversal of 22052912 is 21925022.

It is not an unprimeable number, because it can be changed into a prime (22052911) 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, 98339 + ... + 98562.

Almost surely, 2^22052912 is an apocalyptic number.

It is an amenable number.

22052912 is an abundant number, since it is smaller than the sum of its proper divisors (26778784).

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

22052912 is a wasteful number, since it uses less digits than its factorization.

22052912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196916 (or 196910 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 22052912 is about 4696.0528106059. The cubic root of 22052912 is about 280.4283918577.

Adding to 22052912 its reverse (21925022), we get a palindrome (43977934).

The spelling of 22052912 in words is "twenty-two million, fifty-two thousand, nine hundred twelve".