22780960 has 24 divisors (see below), whose sum is σ = 53820396. Its totient is φ = 9112320.

The previous prime is 22780931. The next prime is 22780973. The reversal of 22780960 is 6908722.

It can be written as a sum of positive squares in 2 ways, for example, as 22695696 + 85264 = 4764^2 + 292^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 71031 + ... + 71350.

Almost surely, 2^22780960 is an apocalyptic number.

22780960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22780960 is an abundant number, since it is smaller than the sum of its proper divisors (31039436).

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

22780960 is a wasteful number, since it uses less digits than its factorization.

22780960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142396 (or 142388 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 22780960 is about 4772.9403935101. The cubic root of 22780960 is about 283.4810333337.

The spelling of 22780960 in words is "twenty-two million, seven hundred eighty thousand, nine hundred sixty".