22894920 has 256 divisors, whose sum is σ = 85536000. Its totient is φ = 5419008.

The previous prime is 22894919. The next prime is 22894931. The reversal of 22894920 is 2949822.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 63 ways as a sum of consecutive naturals, for example, 532419 + ... + 532461.

It is an arithmetic number, because the mean of its divisors is an integer number (334125).

Almost surely, 2^22894920 is an apocalyptic number.

22894920 is a gapful number since it is divisible by the number (20) 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 22894920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42768000).

22894920 is an abundant number, since it is smaller than the sum of its proper divisors (62641080).

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

22894920 is a wasteful number, since it uses less digits than its factorization.

22894920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 22894920 is about 4784.8636344205. The cubic root of 22894920 is about 283.9529446605.

The spelling of 22894920 in words is "twenty-two million, eight hundred ninety-four thousand, nine hundred twenty".