22980977 has 2 divisors, whose sum is σ = 22980978. Its totient is φ = 22980976.

The previous prime is 22980973. The next prime is 22980989. The reversal of 22980977 is 77908922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12117361 + 10863616 = 3481^2 + 3296^2 .

It is a cyclic number.

It is not a de Polignac number, because 22980977 - 2² = 22980973 is a prime.

It is not a weakly prime, because it can be changed into another prime (22980973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11490488 + 11490489.

It is an arithmetic number, because the mean of its divisors is an integer number (11490489).

Almost surely, 2^22980977 is an apocalyptic number.

It is an amenable number.

22980977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22980977 is an equidigital number, since it uses as much as digits as its factorization.

22980977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 22980977 is about 4793.8478282065. The cubic root of 22980977 is about 284.3082721834.

The spelling of 22980977 in words is "twenty-two million, nine hundred eighty thousand, nine hundred seventy-seven".