22228965 has 32 divisors (see below), whose sum is σ = 43113600. Its totient is φ = 10776960.

The previous prime is 22228957. The next prime is 22228981. The reversal of 22228965 is 56982222.

It is not a de Polignac number, because 22228965 - 2³ = 22228957 is a prime.

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, 6000 + ... + 8969.

It is an arithmetic number, because the mean of its divisors is an integer number (1347300).

Almost surely, 2^22228965 is an apocalyptic number.

It is an amenable number.

22228965 is a deficient number, since it is larger than the sum of its proper divisors (20884635).

22228965 is a wasteful number, since it uses less digits than its factorization.

22228965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14994 (or 14988 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 22228965 is about 4714.7603332513. The cubic root of 22228965 is about 281.1726542869.

The spelling of 22228965 in words is "twenty-two million, two hundred twenty-eight thousand, nine hundred sixty-five".