23122044 has 48 divisors (see below), whose sum is σ = 65399040. Its totient is φ = 7006320.

The previous prime is 23122037. The next prime is 23122049. The reversal of 23122044 is 44022132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122049) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8544 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (1362480).

Almost surely, 2^23122044 is an apocalyptic number.

It is an amenable number.

23122044 is an abundant number, since it is smaller than the sum of its proper divisors (42276996).

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

23122044 is a wasteful number, since it uses less digits than its factorization.

23122044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19487 (or 19479 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 23122044 is about 4808.5386553505. The cubic root of 23122044 is about 284.8888209004. Note that the first 4 decimals are identical.

Adding to 23122044 its reverse (44022132), we get a palindrome (67144176).

It can be divided in two parts, 2312 and 2044, that added together give a square (4356 = 66²).

The spelling of 23122044 in words is "twenty-three million, one hundred twenty-two thousand, forty-four".