22146975 has 36 divisors (see below), whose sum is σ = 39926016. Its totient is φ = 11735040.

The previous prime is 22146961. The next prime is 22146997. The reversal of 22146975 is 57964122.

It is not a de Polignac number, because 22146975 - 2¹⁵ = 22114207 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57634 + ... + 58016.

It is an arithmetic number, because the mean of its divisors is an integer number (1109056).

Almost surely, 2^22146975 is an apocalyptic number.

22146975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22146975 is a deficient number, since it is larger than the sum of its proper divisors (17779041).

22146975 is a wasteful number, since it uses less digits than its factorization.

22146975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 648 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 22146975 is about 4706.0572669699. The cubic root of 22146975 is about 280.8265330931.

The spelling of 22146975 in words is "twenty-two million, one hundred forty-six thousand, nine hundred seventy-five".