22016275 has 12 divisors (see below), whose sum is σ = 28906632. Its totient is φ = 16576640.

The previous prime is 22016261. The next prime is 22016279. The reversal of 22016275 is 57261022.

It is not a de Polignac number, because 22016275 - 2¹⁷ = 21885203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22016279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25477 + ... + 26326.

It is an arithmetic number, because the mean of its divisors is an integer number (2408886).

Almost surely, 2^22016275 is an apocalyptic number.

22016275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22016275 is a deficient number, since it is larger than the sum of its proper divisors (6890357).

22016275 is a wasteful number, since it uses less digits than its factorization.

22016275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51830 (or 51825 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 22016275 is about 4692.1503599096. The cubic root of 22016275 is about 280.2730117767.

Adding to 22016275 its reverse (57261022), we get a palindrome (79277297).

The spelling of 22016275 in words is "twenty-two million, sixteen thousand, two hundred seventy-five".