22980857 has 2 divisors, whose sum is σ = 22980858. Its totient is φ = 22980856.

The previous prime is 22980851. The next prime is 22980871. The reversal of 22980857 is 75808922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14622976 + 8357881 = 3824^2 + 2891^2 .

It is a cyclic number.

It is not a de Polignac number, because 22980857 - 2¹⁰ = 22979833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22980851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11490428 + 11490429.

It is an arithmetic number, because the mean of its divisors is an integer number (11490429).

Almost surely, 2^22980857 is an apocalyptic number.

It is an amenable number.

22980857 is a deficient number, since it is larger than the sum of its proper divisors (1).

22980857 is an equidigital number, since it uses as much as digits as its factorization.

22980857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 22980857 is about 4793.8353121483. The cubic root of 22980857 is about 284.3077773240.

The spelling of 22980857 in words is "twenty-two million, nine hundred eighty thousand, eight hundred fifty-seven".