22753280 has 104 divisors (see below), whose sum is σ = 60154704. Its totient is φ = 8192000.

The previous prime is 22753277. The next prime is 22753301. The reversal of 22753280 is 8235722.

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, 225230 + ... + 225330.

Almost surely, 2^22753280 is an apocalyptic number.

22753280 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 22753280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30077352).

22753280 is an abundant number, since it is smaller than the sum of its proper divisors (37401424).

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

22753280 is a wasteful number, since it uses less digits than its factorization.

22753280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 22753280 is about 4770.0398321188. The cubic root of 22753280 is about 283.3661722799.

It can be divided in two parts, 2275 and 3280, that added together give a palindrome (5555).

The spelling of 22753280 in words is "twenty-two million, seven hundred fifty-three thousand, two hundred eighty".