22733312 has 40 divisors (see below), whose sum is σ = 51919296. Its totient is φ = 9741312.

The previous prime is 22733309. The next prime is 22733317. The reversal of 22733312 is 21333722.

It is not an unprimeable number, because it can be changed into a prime (22733317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 6755.

Almost surely, 2^22733312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22733312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25959648).

22733312 is an abundant number, since it is smaller than the sum of its proper divisors (29185984).

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

22733312 is an frugal number, since it uses more digits than its factorization.

22733312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368 (or 6352 counting only the distinct ones).

The product of its digits is 1512, while the sum is 23.

The square root of 22733312 is about 4767.9463084225. The cubic root of 22733312 is about 283.2832551248.

The spelling of 22733312 in words is "twenty-two million, seven hundred thirty-three thousand, three hundred twelve".