22289967 has 24 divisors (see below), whose sum is σ = 38398464. Its totient is φ = 12182544.

The previous prime is 22289963. The next prime is 22289977. The reversal of 22289967 is 76998222.

It is not a de Polignac number, because 22289967 - 2² = 22289963 is a prime.

It is a super-2 number, since 2×22289967² = 993685257722178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22289963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6243 + ... + 9140.

It is an arithmetic number, because the mean of its divisors is an integer number (1599936).

Almost surely, 2^22289967 is an apocalyptic number.

22289967 is a deficient number, since it is larger than the sum of its proper divisors (16108497).

22289967 is a wasteful number, since it uses less digits than its factorization.

22289967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15419 (or 15416 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 22289967 is about 4721.2251587909. The cubic root of 22289967 is about 281.4296227394.

The spelling of 22289967 in words is "twenty-two million, two hundred eighty-nine thousand, nine hundred sixty-seven".