22253536 has 24 divisors (see below), whose sum is σ = 45226944. Its totient is φ = 10767360.

The previous prime is 22253521. The next prime is 22253551. The reversal of 22253536 is 63535222.

It is an interprime number because it is at equal distance from previous prime (22253521) and next prime (22253551).

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10225 + ... + 12208.

It is an arithmetic number, because the mean of its divisors is an integer number (1884456).

Almost surely, 2^22253536 is an apocalyptic number.

It is an amenable number.

22253536 is an abundant number, since it is smaller than the sum of its proper divisors (22973408).

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

22253536 is a wasteful number, since it uses less digits than its factorization.

22253536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22474 (or 22466 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 22253536 is about 4717.3653663883. The cubic root of 22253536 is about 281.2762151038.

Adding to 22253536 its reverse (63535222), we get a palindrome (85788758).

The spelling of 22253536 in words is "twenty-two million, two hundred fifty-three thousand, five hundred thirty-six".