22089969 has 16 divisors (see below), whose sum is σ = 35701440. Its totient is φ = 13387680.

The previous prime is 22089937. The next prime is 22089971. The reversal of 22089969 is 96998022.

It is not a de Polignac number, because 22089969 - 2⁵ = 22089937 is a prime.

It is a super-2 number, since 2×22089969² = 975933460841922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22089979) 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, 36892 + ... + 37485.

It is an arithmetic number, because the mean of its divisors is an integer number (2231340).

Almost surely, 2^22089969 is an apocalyptic number.

It is an amenable number.

22089969 is a deficient number, since it is larger than the sum of its proper divisors (13611471).

22089969 is a wasteful number, since it uses less digits than its factorization.

22089969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74397 (or 74391 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 22089969 is about 4699.9967021265. The cubic root of 22089969 is about 280.5853782252.

The spelling of 22089969 in words is "twenty-two million, eighty-nine thousand, nine hundred sixty-nine".