22011052 has 12 divisors (see below), whose sum is σ = 44022160. Its totient is φ = 9433296.

The previous prime is 22011049. The next prime is 22011053. The reversal of 22011052 is 25011022.

22011052 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22011053) 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, 393027 + ... + 393082.

Almost surely, 2^22011052 is an apocalyptic number.

It is an amenable number.

22011052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22011052 is a wasteful number, since it uses less digits than its factorization.

22011052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786120 (or 786118 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 22011052 is about 4691.5937590546. The cubic root of 22011052 is about 280.2508466328.

Adding to 22011052 its reverse (25011022), we get a palindrome (47022074).

It can be divided in two parts, 220110 and 52, that multiplied together give a triangular number (11445720 = T₄₇₈₄).

The spelling of 22011052 in words is "twenty-two million, eleven thousand, fifty-two".