22572109 has 8 divisors (see below), whose sum is σ = 26494208. Its totient is φ = 18824400.

The previous prime is 22572041. The next prime is 22572113. The reversal of 22572109 is 90127522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22572109 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 (22572139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43317 + ... + 43834.

It is an arithmetic number, because the mean of its divisors is an integer number (3311776).

Almost surely, 2^22572109 is an apocalyptic number.

It is an amenable number.

22572109 is a deficient number, since it is larger than the sum of its proper divisors (3922099).

22572109 is an equidigital number, since it uses as much as digits as its factorization.

22572109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87195.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 22572109 is about 4751.0113660146. The cubic root of 22572109 is about 282.6120744654.

The spelling of 22572109 in words is "twenty-two million, five hundred seventy-two thousand, one hundred nine".