22116375 has 32 divisors (see below), whose sum is σ = 40896960. Its totient is φ = 11793600.

The previous prime is 22116359. The next prime is 22116377. The reversal of 22116375 is 57361122.

It is a happy number.

22116375 is a `hidden beast` number, since 2 + 21 + 1 + 637 + 5 = 666.

It is not a de Polignac number, because 22116375 - 2⁴ = 22116359 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22116377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99 + ... + 6651.

It is an arithmetic number, because the mean of its divisors is an integer number (1278030).

Almost surely, 2^22116375 is an apocalyptic number.

22116375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22116375 is a deficient number, since it is larger than the sum of its proper divisors (18780585).

22116375 is an equidigital number, since it uses as much as digits as its factorization.

22116375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577 (or 6561 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 22116375 is about 4702.8050140315. The cubic root of 22116375 is about 280.6971361488.

Adding to 22116375 its reverse (57361122), we get a palindrome (79477497).

The spelling of 22116375 in words is "twenty-two million, one hundred sixteen thousand, three hundred seventy-five".