22572007 has 4 divisors (see below), whose sum is σ = 22595776. Its totient is φ = 22548240.

The previous prime is 22571987. The next prime is 22572029. The reversal of 22572007 is 70027522.

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

It is a cyclic number.

It is not a de Polignac number, because 22572007 - 2¹⁹ = 22047719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22572037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10398 + ... + 12379.

It is an arithmetic number, because the mean of its divisors is an integer number (5648944).

Almost surely, 2^22572007 is an apocalyptic number.

22572007 is a deficient number, since it is larger than the sum of its proper divisors (23769).

22572007 is an equidigital number, since it uses as much as digits as its factorization.

22572007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23768.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 22572007 is about 4751.0006314460. Note that the first 3 decimals coincide. The cubic root of 22572007 is about 282.6116487708.

Adding to 22572007 its reverse (70027522), we get a palindrome (92599529).

The spelling of 22572007 in words is "twenty-two million, five hundred seventy-two thousand, seven".