23122644 has 24 divisors (see below), whose sum is σ = 54041568. Its totient is φ = 7694880.

The previous prime is 23122609. The next prime is 23122709. The reversal of 23122644 is 44622132.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8679 + ... + 11025.

It is an arithmetic number, because the mean of its divisors is an integer number (2251732).

Almost surely, 2^23122644 is an apocalyptic number.

It is an amenable number.

23122644 is an abundant number, since it is smaller than the sum of its proper divisors (30918924).

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

23122644 is a wasteful number, since it uses less digits than its factorization.

23122644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175 (or 3173 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 23122644 is about 4808.6010439628. The cubic root of 23122644 is about 284.8912850974.

Adding to 23122644 its reverse (44622132), we get a palindrome (67744776).

The spelling of 23122644 in words is "twenty-three million, one hundred twenty-two thousand, six hundred forty-four".