22816836 has 48 divisors (see below), whose sum is σ = 67607680. Its totient is φ = 6518880.

The previous prime is 22816831. The next prime is 22816877. The reversal of 22816836 is 63861822.

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 22816836.

It is not an unprimeable number, because it can be changed into a prime (22816831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14335 + ... + 15846.

Almost surely, 2^22816836 is an apocalyptic number.

It is an amenable number.

22816836 is an abundant number, since it is smaller than the sum of its proper divisors (44790844).

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

22816836 is a wasteful number, since it uses less digits than its factorization.

22816836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30201 (or 30193 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 22816836 is about 4776.6971852945. The cubic root of 22816836 is about 283.6297661860.

The spelling of 22816836 in words is "twenty-two million, eight hundred sixteen thousand, eight hundred thirty-six".