22550475 has 12 divisors (see below), whose sum is σ = 37283576. Its totient is φ = 12026880.

The previous prime is 22550467. The next prime is 22550477. The reversal of 22550475 is 57405522.

It is not a de Polignac number, because 22550475 - 2³ = 22550467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22550477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150262 + ... + 150411.

Almost surely, 2^22550475 is an apocalyptic number.

22550475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22550475 is a deficient number, since it is larger than the sum of its proper divisors (14733101).

22550475 is a wasteful number, since it uses less digits than its factorization.

22550475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300686 (or 300681 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 22550475 is about 4748.7340418263. The cubic root of 22550475 is about 282.5217567497.

Adding to 22550475 its reverse (57405522), we get a palindrome (79955997).

The spelling of 22550475 in words is "twenty-two million, five hundred fifty thousand, four hundred seventy-five".