22206980 has 12 divisors (see below), whose sum is σ = 46634700. Its totient is φ = 8882784.

The previous prime is 22206973. The next prime is 22207019. The reversal of 22206980 is 8960222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14992384 + 7214596 = 3872^2 + 2686^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555155 + ... + 555194.

It is an arithmetic number, because the mean of its divisors is an integer number (3886225).

Almost surely, 2^22206980 is an apocalyptic number.

22206980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22206980 is an abundant number, since it is smaller than the sum of its proper divisors (24427720).

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

22206980 is a wasteful number, since it uses less digits than its factorization.

22206980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110358 (or 1110356 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22206980 is about 4712.4282487906. The cubic root of 22206980 is about 281.0799281248.

The spelling of 22206980 in words is "twenty-two million, two hundred six thousand, nine hundred eighty".