22287009677 has 2 divisors, whose sum is σ = 22287009678. Its totient is φ = 22287009676.

The previous prime is 22287009659. The next prime is 22287009737. The reversal of 22287009677 is 77690078222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11984556676 + 10302453001 = 109474^2 + 101501^2 .

It is a cyclic number.

It is not a de Polignac number, because 22287009677 - 2⁸ = 22287009421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22287000677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11143504838 + 11143504839.

It is an arithmetic number, because the mean of its divisors is an integer number (11143504839).

Almost surely, 2^22287009677 is an apocalyptic number.

It is an amenable number.

22287009677 is a deficient number, since it is larger than the sum of its proper divisors (1).

22287009677 is an equidigital number, since it uses as much as digits as its factorization.

22287009677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 22287009677 in words is "twenty-two billion, two hundred eighty-seven million, nine thousand, six hundred seventy-seven".