22890048 has 56 divisors (see below), whose sum is σ = 62666880. Its totient is φ = 7365120.

The previous prime is 22890031. The next prime is 22890073. The reversal of 22890048 is 84009822.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3513 + ... + 7623.

Almost surely, 2^22890048 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 22890048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31333440).

22890048 is an abundant number, since it is smaller than the sum of its proper divisors (39776832).

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

22890048 is a wasteful number, since it uses less digits than its factorization.

22890048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 22890048 is about 4784.3545019156. The cubic root of 22890048 is about 283.9328016638.

The spelling of 22890048 in words is "twenty-two million, eight hundred ninety thousand, forty-eight".