22631414977 has 2 divisors, whose sum is σ = 22631414978. Its totient is φ = 22631414976.

The previous prime is 22631414969. The next prime is 22631414987. The reversal of 22631414977 is 77941413622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17652842496 + 4978572481 = 132864^2 + 70559^2 .

It is a cyclic number.

It is not a de Polignac number, because 22631414977 - 2³ = 22631414969 is a prime.

It is a super-2 number, since 2×22631414977² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22631414947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11315707488 + 11315707489.

It is an arithmetic number, because the mean of its divisors is an integer number (11315707489).

Almost surely, 2^22631414977 is an apocalyptic number.

It is an amenable number.

22631414977 is a deficient number, since it is larger than the sum of its proper divisors (1).

22631414977 is an equidigital number, since it uses as much as digits as its factorization.

22631414977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The spelling of 22631414977 in words is "twenty-two billion, six hundred thirty-one million, four hundred fourteen thousand, nine hundred seventy-seven".