22723134 has 16 divisors (see below), whose sum is σ = 51938688. Its totient is φ = 6492312.

The previous prime is 22723109. The next prime is 22723147. The reversal of 22723134 is 43132722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270472 + ... + 270555.

It is an arithmetic number, because the mean of its divisors is an integer number (3246168).

Almost surely, 2^22723134 is an apocalyptic number.

22723134 is an abundant number, since it is smaller than the sum of its proper divisors (29215554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22723134 is a wasteful number, since it uses less digits than its factorization.

22723134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541039.

The product of its digits is 2016, while the sum is 24.

The square root of 22723134 is about 4766.8788530862. The cubic root of 22723134 is about 283.2409722791.

Adding to 22723134 its reverse (43132722), we get a palindrome (65855856).

The spelling of 22723134 in words is "twenty-two million, seven hundred twenty-three thousand, one hundred thirty-four".