22072875 has 32 divisors (see below), whose sum is σ = 40075776. Its totient is φ = 10700000.

The previous prime is 22072873. The next prime is 22072877. The reversal of 22072875 is 57827022.

It is an interprime number because it is at equal distance from previous prime (22072873) and next prime (22072877).

It is not a de Polignac number, because 22072875 - 2¹ = 22072873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22072873) 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, 1450 + ... + 6800.

It is an arithmetic number, because the mean of its divisors is an integer number (1252368).

Almost surely, 2^22072875 is an apocalyptic number.

22072875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22072875 is a deficient number, since it is larger than the sum of its proper divisors (18002901).

22072875 is a wasteful number, since it uses less digits than its factorization.

22072875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380 (or 5370 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 22072875 is about 4698.1778382688. The cubic root of 22072875 is about 280.5129839154.

Adding to 22072875 its reverse (57827022), we get a palindrome (79899897).

The spelling of 22072875 in words is "twenty-two million, seventy-two thousand, eight hundred seventy-five".