22555532 has 24 divisors (see below), whose sum is σ = 41947920. Its totient is φ = 10575360.

The previous prime is 22555531. The next prime is 22555541. The reversal of 22555532 is 23555522.

It is a junction number, because it is equal to n+sod(n) for n = 22555495 and 22555504.

It is not an unprimeable number, because it can be changed into a prime (22555531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27407 + ... + 28217.

It is an arithmetic number, because the mean of its divisors is an integer number (1747830).

Almost surely, 2^22555532 is an apocalyptic number.

It is an amenable number.

22555532 is a deficient number, since it is larger than the sum of its proper divisors (19392388).

22555532 is a wasteful number, since it uses less digits than its factorization.

22555532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1239 counting only the distinct ones).

The product of its digits is 15000, while the sum is 29.

The square root of 22555532 is about 4749.2664696772. The cubic root of 22555532 is about 282.5428739064.

The spelling of 22555532 in words is "twenty-two million, five hundred fifty-five thousand, five hundred thirty-two".