22475345 has 4 divisors (see below), whose sum is σ = 26970420. Its totient is φ = 17980272.

The previous prime is 22475333. The next prime is 22475363. The reversal of 22475345 is 54357422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6801664 + 15673681 = 2608^2 + 3959^2 .

It is a cyclic number.

It is not a de Polignac number, because 22475345 - 2⁴ = 22475329 is a prime.

It is a super-2 number, since 2×22475345² = 1010282265738050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2247530 + ... + 2247539.

It is an arithmetic number, because the mean of its divisors is an integer number (6742605).

Almost surely, 2^22475345 is an apocalyptic number.

It is an amenable number.

22475345 is a deficient number, since it is larger than the sum of its proper divisors (4495075).

22475345 is an equidigital number, since it uses as much as digits as its factorization.

22475345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495074.

The product of its digits is 33600, while the sum is 32.

The square root of 22475345 is about 4740.8169127272. The cubic root of 22475345 is about 282.2076543402.

The spelling of 22475345 in words is "twenty-two million, four hundred seventy-five thousand, three hundred forty-five".