22812948 has 24 divisors (see below), whose sum is σ = 59144960. Its totient is φ = 7604280.

The previous prime is 22812947. The next prime is 22813009. The reversal of 22812948 is 84921822.

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 (22812947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105508 + ... + 105723.

Almost surely, 2^22812948 is an apocalyptic number.

It is an amenable number.

22812948 is an abundant number, since it is smaller than the sum of its proper divisors (36332012).

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

22812948 is a wasteful number, since it uses less digits than its factorization.

22812948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211244 (or 211236 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 22812948 is about 4776.2901921889. The cubic root of 22812948 is about 283.6136550539.

The spelling of 22812948 in words is "twenty-two million, eight hundred twelve thousand, nine hundred forty-eight".