22373889 has 16 divisors (see below), whose sum is σ = 30691584. Its totient is φ = 14490000.

The previous prime is 22373873. The next prime is 22373891. The reversal of 22373889 is 98837322.

It is not a de Polignac number, because 22373889 - 2⁴ = 22373873 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22373889.

It is not an unprimeable number, because it can be changed into a prime (22373839) 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, 32034 + ... + 32724.

It is an arithmetic number, because the mean of its divisors is an integer number (1918224).

Almost surely, 2^22373889 is an apocalyptic number.

It is an amenable number.

22373889 is a deficient number, since it is larger than the sum of its proper divisors (8317695).

22373889 is a wasteful number, since it uses less digits than its factorization.

22373889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its digits is 145152, while the sum is 42.

The square root of 22373889 is about 4730.1045442992. The cubic root of 22373889 is about 281.7823757334.

The spelling of 22373889 in words is "twenty-two million, three hundred seventy-three thousand, eight hundred eighty-nine".