22431134 has 32 divisors (see below), whose sum is σ = 39087360. Its totient is φ = 9547200.

The previous prime is 22431133. The next prime is 22431163. The reversal of 22431134 is 43113422.

22431134 = 1423² + 1424² + ... + 1433².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22431133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42794 + ... + 43314.

It is an arithmetic number, because the mean of its divisors is an integer number (1221480).

Almost surely, 2^22431134 is an apocalyptic number.

22431134 is a deficient number, since it is larger than the sum of its proper divisors (16656226).

22431134 is a wasteful number, since it uses less digits than its factorization.

22431134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its digits is 576, while the sum is 20.

The square root of 22431134 is about 4736.1518134452. The cubic root of 22431134 is about 282.0224903680.

Adding to 22431134 its reverse (43113422), we get a palindrome (65544556).

The spelling of 22431134 in words is "twenty-two million, four hundred thirty-one thousand, one hundred thirty-four".