22006275 has 24 divisors (see below), whose sum is σ = 38301120. Its totient is φ = 11118240.

The previous prime is 22006267. The next prime is 22006291. The reversal of 22006275 is 57260022.

It is not a de Polignac number, because 22006275 - 2³ = 22006267 is a prime.

It is a super-2 number, since 2×22006275² = 968552278751250, which contains 22 as substring.

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, 6297 + ... + 9146.

It is an arithmetic number, because the mean of its divisors is an integer number (1595880).

Almost surely, 2^22006275 is an apocalyptic number.

22006275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22006275 is a deficient number, since it is larger than the sum of its proper divisors (16294845).

22006275 is a wasteful number, since it uses less digits than its factorization.

22006275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15475 (or 15470 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22006275 is about 4691.0846293794. The cubic root of 22006275 is about 280.2305711343.

Adding to 22006275 its reverse (57260022), we get a palindrome (79266297).

The spelling of 22006275 in words is "twenty-two million, six thousand, two hundred seventy-five".