22689075 has 24 divisors (see below), whose sum is σ = 37662768. Its totient is φ = 12052480.

The previous prime is 22689071. The next prime is 22689083. The reversal of 22689075 is 57098622.

It is a happy number.

It is not a de Polignac number, because 22689075 - 2² = 22689071 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22689071) 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, 26047 + ... + 26903.

It is an arithmetic number, because the mean of its divisors is an integer number (1569282).

Almost surely, 2^22689075 is an apocalyptic number.

22689075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22689075 is a deficient number, since it is larger than the sum of its proper divisors (14973693).

22689075 is a wasteful number, since it uses less digits than its factorization.

22689075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 22689075 is about 4763.3050500677. The cubic root of 22689075 is about 283.0993878171.

The spelling of 22689075 in words is "twenty-two million, six hundred eighty-nine thousand, seventy-five".