22012368 has 100 divisors (see below), whose sum is σ = 66686208. Its totient is φ = 6256320.

The previous prime is 22012349. The next prime is 22012379. The reversal of 22012368 is 86321022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 115153 + ... + 115343.

Almost surely, 2^22012368 is an apocalyptic number.

22012368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33343104).

22012368 is an abundant number, since it is smaller than the sum of its proper divisors (44673840).

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

22012368 is an equidigital number, since it uses as much as digits as its factorization.

22012368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22012368 is about 4691.7340078056. The cubic root of 22012368 is about 280.2564317477.

The spelling of 22012368 in words is "twenty-two million, twelve thousand, three hundred sixty-eight".