22055532 has 12 divisors (see below), whose sum is σ = 51462936. Its totient is φ = 7351840.

The previous prime is 22055531. The next prime is 22055567. The reversal of 22055532 is 23555022.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22055531) 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, 918969 + ... + 918992.

It is an arithmetic number, because the mean of its divisors is an integer number (4288578).

Almost surely, 2^22055532 is an apocalyptic number.

It is an amenable number.

22055532 is an abundant number, since it is smaller than the sum of its proper divisors (29407404).

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

22055532 is a wasteful number, since it uses less digits than its factorization.

22055532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837968 (or 1837966 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 22055532 is about 4696.3317600016. The cubic root of 22055532 is about 280.4394968657.

The spelling of 22055532 in words is "twenty-two million, fifty-five thousand, five hundred thirty-two".