22423132 has 6 divisors (see below), whose sum is σ = 39240488. Its totient is φ = 11211564.

The previous prime is 22423087. The next prime is 22423133. The reversal of 22423132 is 23132422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802888 + ... + 2802895.

Almost surely, 2^22423132 is an apocalyptic number.

It is an amenable number.

22423132 is a deficient number, since it is larger than the sum of its proper divisors (16817356).

22423132 is a wasteful number, since it uses less digits than its factorization.

22423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605787 (or 5605785 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 22423132 is about 4735.3069594272. The cubic root of 22423132 is about 281.9889504917.

Adding to 22423132 its reverse (23132422), we get a palindrome (45555554).

The spelling of 22423132 in words is "twenty-two million, four hundred twenty-three thousand, one hundred thirty-two".