22235924 has 12 divisors (see below), whose sum is σ = 40254900. Its totient is φ = 10734528.

The previous prime is 22235921. The next prime is 22235929. The reversal of 22235924 is 42953222.

It can be written as a sum of positive squares in 2 ways, for example, as 9859600 + 12376324 = 3140^2 + 3518^2 .

It is a super-2 number, since 2×22235924² = 988872632267552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22235921) 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 3 ways as a sum of consecutive naturals, for example, 95729 + ... + 95960.

It is an arithmetic number, because the mean of its divisors is an integer number (3354575).

Almost surely, 2^22235924 is an apocalyptic number.

It is an amenable number.

22235924 is a deficient number, since it is larger than the sum of its proper divisors (18018976).

22235924 is a wasteful number, since it uses less digits than its factorization.

22235924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191722 (or 191720 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 22235924 is about 4715.4982769587. The cubic root of 22235924 is about 281.2019925302.

The spelling of 22235924 in words is "twenty-two million, two hundred thirty-five thousand, nine hundred twenty-four".