22823772 has 12 divisors (see below), whose sum is σ = 53255496. Its totient is φ = 7607920.

The previous prime is 22823771. The next prime is 22823777. The reversal of 22823772 is 27732822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22823771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950979 + ... + 951002.

It is an arithmetic number, because the mean of its divisors is an integer number (4437958).

Almost surely, 2^22823772 is an apocalyptic number.

It is an amenable number.

22823772 is an abundant number, since it is smaller than the sum of its proper divisors (30431724).

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

22823772 is a wasteful number, since it uses less digits than its factorization.

22823772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901988 (or 1901986 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 22823772 is about 4777.4231547980. The cubic root of 22823772 is about 283.6585031057.

The spelling of 22823772 in words is "twenty-two million, eight hundred twenty-three thousand, seven hundred seventy-two".