422617412981 has 2 divisors, whose sum is σ = 422617412982. Its totient is φ = 422617412980.

The previous prime is 422617412969. The next prime is 422617412993. The reversal of 422617412981 is 189214716224.

It is a balanced prime because it is at equal distance from previous prime (422617412969) and next prime (422617412993).

It can be written as a sum of positive squares in only one way, i.e., 376277962225 + 46339450756 = 613415^2 + 215266^2 .

It is a cyclic number.

It is not a de Polignac number, because 422617412981 - 2²⁶ = 422550304117 is a prime.

It is a super-4 number, since 4×422617412981⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422617412911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211308706490 + 211308706491.

It is an arithmetic number, because the mean of its divisors is an integer number (211308706491).

Almost surely, 2^422617412981 is an apocalyptic number.

It is an amenable number.

422617412981 is a deficient number, since it is larger than the sum of its proper divisors (1).

422617412981 is an equidigital number, since it uses as much as digits as its factorization.

422617412981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 47.

The spelling of 422617412981 in words is "four hundred twenty-two billion, six hundred seventeen million, four hundred twelve thousand, nine hundred eighty-one".