22603968 has 112 divisors (see below), whose sum is σ = 67624960. Its totient is φ = 7402752.

The previous prime is 22603961. The next prime is 22603993. The reversal of 22603968 is 86930622.

22603968 is a `hidden beast` number, since 2 + 260 + 396 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22603961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177921 + ... + 178047.

Almost surely, 2^22603968 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 22603968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33812480).

22603968 is an abundant number, since it is smaller than the sum of its proper divisors (45020992).

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

22603968 is a wasteful number, since it uses less digits than its factorization.

22603968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 22603968 is about 4754.3630488216. The cubic root of 22603968 is about 282.7449745464.

The spelling of 22603968 in words is "twenty-two million, six hundred three thousand, nine hundred sixty-eight".