22590036 has 48 divisors (see below), whose sum is σ = 66935680. Its totient is φ = 6454080.

The previous prime is 22590023. The next prime is 22590037. The reversal of 22590036 is 63009522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22589991 and 22590009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22590037) 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 15 ways as a sum of consecutive naturals, for example, 14185 + ... + 15696.

Almost surely, 2^22590036 is an apocalyptic number.

It is an amenable number.

22590036 is an abundant number, since it is smaller than the sum of its proper divisors (44345644).

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

22590036 is a wasteful number, since it uses less digits than its factorization.

22590036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29901 (or 29893 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 22590036 is about 4752.8976424914. The cubic root of 22590036 is about 282.6868724678.

Adding to 22590036 its reverse (63009522), we get a palindrome (85599558).

It can be divided in two parts, 2259003 and 6, that added together give a square (2259009 = 1503²).

The spelling of 22590036 in words is "twenty-two million, five hundred ninety thousand, thirty-six".