22955945 has 16 divisors (see below), whose sum is σ = 28229520. Its totient is φ = 17915904.

The previous prime is 22955929. The next prime is 22955951. The reversal of 22955945 is 54955922.

It can be written as a sum of positive squares in 8 ways, for example, as 3736489 + 19219456 = 1933^2 + 4384^2 .

It is a cyclic number.

It is not a de Polignac number, because 22955945 - 2⁴ = 22955929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39497 + ... + 40073.

It is an arithmetic number, because the mean of its divisors is an integer number (1764345).

Almost surely, 2^22955945 is an apocalyptic number.

It is an amenable number.

22955945 is a deficient number, since it is larger than the sum of its proper divisors (5273575).

22955945 is a wasteful number, since it uses less digits than its factorization.

22955945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 162000, while the sum is 41.

The square root of 22955945 is about 4791.2362705256. The cubic root of 22955945 is about 284.2050072058.

The spelling of 22955945 in words is "twenty-two million, nine hundred fifty-five thousand, nine hundred forty-five".