22980609 has 12 divisors (see below), whose sum is σ = 33276516. Its totient is φ = 15282432.

The previous prime is 22980593. The next prime is 22980613. The reversal of 22980609 is 90608922.

It can be written as a sum of positive squares in 2 ways, for example, as 12110400 + 10870209 = 3480^2 + 3297^2 .

It is not a de Polignac number, because 22980609 - 2⁴ = 22980593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22980649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 949 + ... + 6845.

It is an arithmetic number, because the mean of its divisors is an integer number (2773043).

Almost surely, 2^22980609 is an apocalyptic number.

It is an amenable number.

22980609 is a deficient number, since it is larger than the sum of its proper divisors (10295907).

22980609 is a wasteful number, since it uses less digits than its factorization.

22980609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336 (or 6333 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 22980609 is about 4793.8094455245. The cubic root of 22980609 is about 284.3067546093.

The spelling of 22980609 in words is "twenty-two million, nine hundred eighty thousand, six hundred nine".