22943965 has 32 divisors (see below), whose sum is σ = 32472576. Its totient is φ = 15375360.

The previous prime is 22943957. The next prime is 22943989. The reversal of 22943965 is 56934922.

It is not a de Polignac number, because 22943965 - 2³ = 22943957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49324 + ... + 49786.

It is an arithmetic number, because the mean of its divisors is an integer number (1014768).

Almost surely, 2^22943965 is an apocalyptic number.

It is an amenable number.

22943965 is a deficient number, since it is larger than the sum of its proper divisors (9528611).

22943965 is a wasteful number, since it uses less digits than its factorization.

22943965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

The product of its digits is 116640, while the sum is 40.

The square root of 22943965 is about 4789.9859081212. The cubic root of 22943965 is about 284.1555593258.

The spelling of 22943965 in words is "twenty-two million, nine hundred forty-three thousand, nine hundred sixty-five".