22130372 has 24 divisors (see below), whose sum is σ = 42632352. Its totient is φ = 9968000.

The previous prime is 22130371. The next prime is 22130377. The reversal of 22130372 is 27303122.

It is not an unprimeable number, because it can be changed into a prime (22130371) 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, 2747 + ... + 7197.

It is an arithmetic number, because the mean of its divisors is an integer number (1776348).

Almost surely, 2^22130372 is an apocalyptic number.

22130372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22130372 is a deficient number, since it is larger than the sum of its proper divisors (20501980).

22130372 is a wasteful number, since it uses less digits than its factorization.

22130372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579 (or 4577 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 22130372 is about 4704.2929330559. The cubic root of 22130372 is about 280.7563394806.

Adding to 22130372 its reverse (27303122), we get a palindrome (49433494).

The spelling of 22130372 in words is "twenty-two million, one hundred thirty thousand, three hundred seventy-two".