22706977 has 2 divisors, whose sum is σ = 22706978. Its totient is φ = 22706976.

The previous prime is 22706963. The next prime is 22707001. The reversal of 22706977 is 77960722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16966161 + 5740816 = 4119^2 + 2396^2 .

It is a cyclic number.

It is not a de Polignac number, because 22706977 - 2¹⁹ = 22182689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22716977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11353488 + 11353489.

It is an arithmetic number, because the mean of its divisors is an integer number (11353489).

Almost surely, 2^22706977 is an apocalyptic number.

It is an amenable number.

22706977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22706977 is an equidigital number, since it uses as much as digits as its factorization.

22706977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 22706977 is about 4765.1838369574. The cubic root of 22706977 is about 283.1738247125.

The spelling of 22706977 in words is "twenty-two million, seven hundred six thousand, nine hundred seventy-seven".