22992444 has 48 divisors (see below), whose sum is σ = 61008640. Its totient is φ = 7484400.

The previous prime is 22992443. The next prime is 22992467. The reversal of 22992444 is 44429922.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 22992399 and 22992408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22992443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2169 + ... + 7119.

Almost surely, 2^22992444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22992444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30504320).

22992444 is an abundant number, since it is smaller than the sum of its proper divisors (38016196).

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

22992444 is a wasteful number, since it uses less digits than its factorization.

22992444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007 (or 4999 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 22992444 is about 4795.0436911461. The cubic root of 22992444 is about 284.3555521700.

It can be divided in two parts, 22992 and 444, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 22992444 in words is "twenty-two million, nine hundred ninety-two thousand, four hundred forty-four".