22868977 has 2 divisors, whose sum is σ = 22868978. Its totient is φ = 22868976.

The previous prime is 22868941. The next prime is 22868981. The reversal of 22868977 is 77986822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15023376 + 7845601 = 3876^2 + 2801^2 .

It is a cyclic number.

It is not a de Polignac number, because 22868977 - 2²³ = 14480369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22868977.

It is not a weakly prime, because it can be changed into another prime (22868477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11434488 + 11434489.

It is an arithmetic number, because the mean of its divisors is an integer number (11434489).

Almost surely, 2^22868977 is an apocalyptic number.

It is an amenable number.

22868977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22868977 is an equidigital number, since it uses as much as digits as its factorization.

22868977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The square root of 22868977 is about 4782.1519214680. The cubic root of 22868977 is about 283.8456519300.

The spelling of 22868977 in words is "twenty-two million, eight hundred sixty-eight thousand, nine hundred seventy-seven".