22552668 has 60 divisors (see below), whose sum is σ = 60252192. Its totient is φ = 7352640.

The previous prime is 22552657. The next prime is 22552679. The reversal of 22552668 is 86625522.

It is an interprime number because it is at equal distance from previous prime (22552657) and next prime (22552679).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14488 + ... + 15968.

Almost surely, 2^22552668 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 22552668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30126096).

22552668 is an abundant number, since it is smaller than the sum of its proper divisors (37699524).

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

22552668 is a wasteful number, since it uses less digits than its factorization.

22552668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544 (or 1533 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 22552668 is about 4748.9649398579. The cubic root of 22552668 is about 282.5309147258.

It can be divided in two parts, 22552 and 668, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 22552668 in words is "twenty-two million, five hundred fifty-two thousand, six hundred sixty-eight".