22980256 has 48 divisors (see below), whose sum is σ = 50072904. Its totient is φ = 10312704.

The previous prime is 22980241. The next prime is 22980257. The reversal of 22980256 is 65208922.

It can be written as a sum of positive squares in 4 ways, for example, as 22467600 + 512656 = 4740^2 + 716^2 .

It is not an unprimeable number, because it can be changed into a prime (22980257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14646 + ... + 16138.

Almost surely, 2^22980256 is an apocalyptic number.

22980256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22980256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25036452).

22980256 is an abundant number, since it is smaller than the sum of its proper divisors (27092648).

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

22980256 is a wasteful number, since it uses less digits than its factorization.

22980256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 22980256 is about 4793.7726270652. The cubic root of 22980256 is about 284.3052988777.

The spelling of 22980256 in words is "twenty-two million, nine hundred eighty thousand, two hundred fifty-six".