22407272 has 16 divisors (see below), whose sum is σ = 42184800. Its totient is φ = 11158000.

The previous prime is 22407271. The next prime is 22407293. The reversal of 22407272 is 27270422.

It is a happy number.

22407272 is a modest number, since divided by 7272 gives 2240 as remainder.

It is not an unprimeable number, because it can be changed into a prime (22407271) 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, 3572 + ... + 7587.

It is an arithmetic number, because the mean of its divisors is an integer number (2636550).

Almost surely, 2^22407272 is an apocalyptic number.

It is an amenable number.

22407272 is a deficient number, since it is larger than the sum of its proper divisors (19777528).

22407272 is a wasteful number, since it uses less digits than its factorization.

22407272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11416 (or 11412 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 22407272 is about 4733.6320093560. The cubic root of 22407272 is about 281.9224507181.

Adding to 22407272 its reverse (27270422), we get a palindrome (49677694).

The spelling of 22407272 in words is "twenty-two million, four hundred seven thousand, two hundred seventy-two".