22406475 has 96 divisors (see below), whose sum is σ = 47219200. Its totient is φ = 9313920.

The previous prime is 22406467. The next prime is 22406477. The reversal of 22406475 is 57460422.

It is not a de Polignac number, because 22406475 - 2³ = 22406467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22406477) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 334392 + ... + 334458.

Almost surely, 2^22406475 is an apocalyptic number.

22406475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22406475 is an abundant number, since it is smaller than the sum of its proper divisors (24812725).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22406475 is a wasteful number, since it uses less digits than its factorization.

22406475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 22406475 is about 4733.5478237787. The cubic root of 22406475 is about 281.9191081298.

Adding to 22406475 its reverse (57460422), we get a palindrome (79866897).

The spelling of 22406475 in words is "twenty-two million, four hundred six thousand, four hundred seventy-five".