22633280 has 28 divisors (see below), whose sum is σ = 53896260. Its totient is φ = 9053184.

The previous prime is 22633241. The next prime is 22633283. The reversal of 22633280 is 8233622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11235904 + 11397376 = 3352^2 + 3376^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22633283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35045 + ... + 35684.

Almost surely, 2^22633280 is an apocalyptic number.

22633280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22633280 is an abundant number, since it is smaller than the sum of its proper divisors (31262980).

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

22633280 is an equidigital number, since it uses as much as digits as its factorization.

22633280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70746 (or 70736 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 22633280 is about 4757.4446922692. Note that the first 3 decimals coincide. The cubic root of 22633280 is about 282.8671395401.

The spelling of 22633280 in words is "twenty-two million, six hundred thirty-three thousand, two hundred eighty".