22323828 has 48 divisors (see below), whose sum is σ = 53395776. Its totient is φ = 7257600.

The previous prime is 22323809. The next prime is 22323853. The reversal of 22323828 is 82832322.

It is a super-3 number, since 3×22323828³ (a number of 23 digits) contains 333 as substring.

Its product of digits (9216) is a multiple of the sum of its prime factors (384).

It is a junction number, because it is equal to n+sod(n) for n = 22323795 and 22323804.

It is a congruent number.

It is an unprimeable number.

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, 136875 + ... + 137037.

It is an arithmetic number, because the mean of its divisors is an integer number (1112412).

Almost surely, 2^22323828 is an apocalyptic number.

It is an amenable number.

22323828 is an abundant number, since it is smaller than the sum of its proper divisors (31071948).

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

22323828 is a wasteful number, since it uses less digits than its factorization.

22323828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 382 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 22323828 is about 4724.8098374432. The cubic root of 22323828 is about 281.5720585278.

The spelling of 22323828 in words is "twenty-two million, three hundred twenty-three thousand, eight hundred twenty-eight".