22572027 has 16 divisors (see below), whose sum is σ = 33856160. Its totient is φ = 15046560.

The previous prime is 22571987. The next prime is 22572029. The reversal of 22572027 is 72027522.

It is a happy number.

It is not a de Polignac number, because 22572027 - 2¹⁵ = 22539259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22572029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2974 + ... + 7347.

It is an arithmetic number, because the mean of its divisors is an integer number (2116010).

Almost surely, 2^22572027 is an apocalyptic number.

22572027 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22572027 is a deficient number, since it is larger than the sum of its proper divisors (11284133).

22572027 is an frugal number, since it uses more digits than its factorization.

22572027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10342 (or 10324 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 22572027 is about 4751.0027362653. The cubic root of 22572027 is about 282.6117322404.

Adding to 22572027 its reverse (72027522), we get a palindrome (94599549).

The spelling of 22572027 in words is "twenty-two million, five hundred seventy-two thousand, twenty-seven".