22992448 has 28 divisors (see below), whose sum is σ = 46090332. Its totient is φ = 11379200.

The previous prime is 22992443. The next prime is 22992467. The reversal of 22992448 is 84429922.

It can be written as a sum of positive squares in 2 ways, for example, as 13307904 + 9684544 = 3648^2 + 3112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22992448.

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 3 ways as a sum of consecutive naturals, for example, 4686 + ... + 8242.

Almost surely, 2^22992448 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 22992448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23045166).

22992448 is an abundant number, since it is smaller than the sum of its proper divisors (23097884).

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

22992448 is a wasteful number, since it uses less digits than its factorization.

22992448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670 (or 3660 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 22992448 is about 4795.0441082434. The cubic root of 22992448 is about 284.3555686598.

The spelling of 22992448 in words is "twenty-two million, nine hundred ninety-two thousand, four hundred forty-eight".