23022444 has 12 divisors (see below), whose sum is σ = 53719064. Its totient is φ = 7674144.

The previous prime is 23022413. The next prime is 23022463. The reversal of 23022444 is 44422032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 23022444.

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, 959257 + ... + 959280.

Almost surely, 2^23022444 is an apocalyptic number.

It is an amenable number.

23022444 is an abundant number, since it is smaller than the sum of its proper divisors (30696620).

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

23022444 is a wasteful number, since it uses less digits than its factorization.

23022444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918544 (or 1918542 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 23022444 is about 4798.1709014999. The cubic root of 23022444 is about 284.4791718984.

Adding to 23022444 its reverse (44422032), we get a palindrome (67444476).

The spelling of 23022444 in words is "twenty-three million, twenty-two thousand, four hundred forty-four".