22159375 has 24 divisors (see below), whose sum is σ = 31685472. Its totient is φ = 15180000.

The previous prime is 22159367. The next prime is 22159387. The reversal of 22159375 is 57395122.

It is not a de Polignac number, because 22159375 - 2³ = 22159367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22159375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21369 + ... + 22381.

It is an arithmetic number, because the mean of its divisors is an integer number (1320228).

Almost surely, 2^22159375 is an apocalyptic number.

22159375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22159375 is a deficient number, since it is larger than the sum of its proper divisors (9526097).

22159375 is an frugal number, since it uses more digits than its factorization.

22159375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1025 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 22159375 is about 4707.3745336440. The cubic root of 22159375 is about 280.8789345206.

The spelling of 22159375 in words is "twenty-two million, one hundred fifty-nine thousand, three hundred seventy-five".