422485925257 has 6 divisors (see below), whose sum is σ = 464385355994. Its totient is φ = 384078113760.

The previous prime is 422485925221. The next prime is 422485925297. The reversal of 422485925257 is 752529584224.

It can be written as a sum of positive squares in only one way, i.e., 334218109456 + 88267815801 = 578116^2 + 297099^2 .

It is not a de Polignac number, because 422485925257 - 2¹⁵ = 422485892489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422485925198 and 422485925207.

It is not an unprimeable number, because it can be changed into a prime (422485925297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1745809488 + ... + 1745809729.

Almost surely, 2^422485925257 is an apocalyptic number.

It is an amenable number.

422485925257 is a deficient number, since it is larger than the sum of its proper divisors (41899430737).

422485925257 is a wasteful number, since it uses less digits than its factorization.

422485925257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491619239 (or 3491619228 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 55.

The spelling of 422485925257 in words is "four hundred twenty-two billion, four hundred eighty-five million, nine hundred twenty-five thousand, two hundred fifty-seven".