422548314557 has 2 divisors, whose sum is σ = 422548314558. Its totient is φ = 422548314556.

The previous prime is 422548314509. The next prime is 422548314569. The reversal of 422548314557 is 755413845224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409300534756 + 13247779801 = 639766^2 + 115099^2 .

It is a cyclic number.

It is not a de Polignac number, because 422548314557 - 2¹² = 422548310461 is a prime.

It is a super-2 number, since 2×422548314557² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422548314157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211274157278 + 211274157279.

It is an arithmetic number, because the mean of its divisors is an integer number (211274157279).

Almost surely, 2^422548314557 is an apocalyptic number.

It is an amenable number.

422548314557 is a deficient number, since it is larger than the sum of its proper divisors (1).

422548314557 is an equidigital number, since it uses as much as digits as its factorization.

422548314557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376000, while the sum is 50.

The spelling of 422548314557 in words is "four hundred twenty-two billion, five hundred forty-eight million, three hundred fourteen thousand, five hundred fifty-seven".