22842280 has 32 divisors (see below), whose sum is σ = 51597000. Its totient is φ = 9101056.

The previous prime is 22842247. The next prime is 22842299. The reversal of 22842280 is 8224822.

It can be written as a sum of positive squares in 4 ways, for example, as 22829284 + 12996 = 4778^2 + 114^2 .

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, 10746 + ... + 12694.

Almost surely, 2^22842280 is an apocalyptic number.

22842280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22842280 is an abundant number, since it is smaller than the sum of its proper divisors (28754720).

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

22842280 is a wasteful number, since it uses less digits than its factorization.

22842280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2249 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 22842280 is about 4779.3597897626. The cubic root of 22842280 is about 283.7351561254.

The spelling of 22842280 in words is "twenty-two million, eight hundred forty-two thousand, two hundred eighty".