22436856 has 48 divisors (see below), whose sum is σ = 65443560. Its totient is φ = 6903360.

The previous prime is 22436833. The next prime is 22436873. The reversal of 22436856 is 65863422.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22436856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11050 + ... + 12921.

Almost surely, 2^22436856 is an apocalyptic number.

22436856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22436856 is an abundant number, since it is smaller than the sum of its proper divisors (43006704).

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

22436856 is a wasteful number, since it uses less digits than its factorization.

22436856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23996 (or 23989 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 22436856 is about 4736.7558518463. The cubic root of 22436856 is about 282.0464688777.

The spelling of 22436856 in words is "twenty-two million, four hundred thirty-six thousand, eight hundred fifty-six".