22465812 has 48 divisors (see below), whose sum is σ = 54496512. Its totient is φ = 7198080.

The previous prime is 22465811. The next prime is 22465819. The reversal of 22465812 is 21856422.

22465812 is a Rhonda number in base 9 and base 10.

Its product of digits (7680) is a multiple of the sum of its prime factors (768).

It is a self number, because there is not a number n which added to its sum of digits gives 22465812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22465811) 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, 34078 + ... + 34730.

It is an arithmetic number, because the mean of its divisors is an integer number (1135344).

Almost surely, 2^22465812 is an apocalyptic number.

It is an amenable number.

22465812 is an abundant number, since it is smaller than the sum of its proper divisors (32030700).

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

22465812 is a wasteful number, since it uses less digits than its factorization.

22465812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 766 counting only the distinct ones).

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

The square root of 22465812 is about 4739.8113886525. The cubic root of 22465812 is about 282.1677488938.

The spelling of 22465812 in words is "twenty-two million, four hundred sixty-five thousand, eight hundred twelve".