425491722 has 12 divisors (see below), whose sum is σ = 921898770. Its totient is φ = 141830568.

The previous prime is 425491721. The next prime is 425491733. The reversal of 425491722 is 227194524.

425491722 is a `hidden beast` number, since 42 + 549 + 1 + 72 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 372914721 + 52577001 = 19311^2 + 7251^2 .

It is not an unprimeable number, because it can be changed into a prime (425491721) 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, 11819197 + ... + 11819232.

Almost surely, 2^425491722 is an apocalyptic number.

425491722 is an abundant number, since it is smaller than the sum of its proper divisors (496407048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425491722 is a wasteful number, since it uses less digits than its factorization.

425491722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23638437 (or 23638434 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 425491722 is about 20627.4506907664. The cubic root of 425491722 is about 752.1371470191.

The spelling of 425491722 in words is "four hundred twenty-five million, four hundred ninety-one thousand, seven hundred twenty-two".