22869280 has 72 divisors (see below), whose sum is σ = 62871228. Its totient is φ = 7838208.

The previous prime is 22869269. The next prime is 22869281. The reversal of 22869280 is 8296822.

It can be written as a sum of positive squares in 2 ways, for example, as 20830096 + 2039184 = 4564^2 + 1428^2 .

It is not an unprimeable number, because it can be changed into a prime (22869281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6382 + ... + 9298.

Almost surely, 2^22869280 is an apocalyptic number.

22869280 is a gapful number since it is divisible by the number (20) 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 22869280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31435614).

22869280 is an abundant number, since it is smaller than the sum of its proper divisors (40001948).

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

22869280 is a wasteful number, since it uses less digits than its factorization.

22869280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946 (or 2931 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 22869280 is about 4782.1836016615. The cubic root of 22869280 is about 283.8469055184.

The spelling of 22869280 in words is "twenty-two million, eight hundred sixty-nine thousand, two hundred eighty".