23422144 has 28 divisors (see below), whose sum is σ = 46634400. Its totient is φ = 11671808.

The previous prime is 23422129. The next prime is 23422171. The reversal of 23422144 is 44122432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32217 + ... + 32935.

Almost surely, 2^23422144 is an apocalyptic number.

It is an amenable number.

23422144 is a deficient number, since it is larger than the sum of its proper divisors (23212256).

23422144 is an equidigital number, since it uses as much as digits as its factorization.

23422144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1230 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 23422144 is about 4839.6429620376. The cubic root of 23422144 is about 286.1160466034.

Adding to 23422144 its reverse (44122432), we get a palindrome (67544576).

The spelling of 23422144 in words is "twenty-three million, four hundred twenty-two thousand, one hundred forty-four".