22418652 has 48 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 6978048.

The previous prime is 22418623. The next prime is 22418663. The reversal of 22418652 is 25681422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10924 + ... + 12812.

It is an arithmetic number, because the mean of its divisors is an integer number (1164240).

Almost surely, 2^22418652 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 22418652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27941760).

22418652 is an abundant number, since it is smaller than the sum of its proper divisors (33464868).

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

22418652 is a wasteful number, since it uses less digits than its factorization.

22418652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1960 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 22418652 is about 4734.8338936018. The cubic root of 22418652 is about 281.9701693711.

The spelling of 22418652 in words is "twenty-two million, four hundred eighteen thousand, six hundred fifty-two".