22369280 has 88 divisors (see below), whose sum is σ = 57037608. Its totient is φ = 8388608.

The previous prime is 22369273. The next prime is 22369309. The reversal of 22369280 is 8296322.

It can be written as a sum of positive squares in 4 ways, for example, as 11505664 + 10863616 = 3392^2 + 3296^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

In principle, a polygon with 22369280 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86912 + ... + 87168.

Almost surely, 2^22369280 is an apocalyptic number.

22369280 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 22369280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28518804).

22369280 is an abundant number, since it is smaller than the sum of its proper divisors (34668328).

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

22369280 is a wasteful number, since it uses less digits than its factorization.

22369280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 22369280 is about 4729.6173206719. The cubic root of 22369280 is about 281.7630254369.

The spelling of 22369280 in words is "twenty-two million, three hundred sixty-nine thousand, two hundred eighty".