22465845 has 48 divisors (see below), whose sum is σ = 40689792. Its totient is φ = 11456640.

The previous prime is 22465841. The next prime is 22465853. The reversal of 22465845 is 54856422.

It is a happy number.

It is not a de Polignac number, because 22465845 - 2² = 22465841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22465841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171430 + ... + 171560.

It is an arithmetic number, because the mean of its divisors is an integer number (847704).

Almost surely, 2^22465845 is an apocalyptic number.

It is an amenable number.

22465845 is a deficient number, since it is larger than the sum of its proper divisors (18223947).

22465845 is a wasteful number, since it uses less digits than its factorization.

22465845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 279 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 22465845 is about 4739.8148698024. The cubic root of 22465845 is about 282.1678870524.

The spelling of 22465845 in words is "twenty-two million, four hundred sixty-five thousand, eight hundred forty-five".