425455522 has 4 divisors (see below), whose sum is σ = 638183286. Its totient is φ = 212727760.

The previous prime is 425455487. The next prime is 425455529. The reversal of 425455522 is 225554524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 389707081 + 35748441 = 19741^2 + 5979^2 .

It is not an unprimeable number, because it can be changed into a prime (425455529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106363879 + ... + 106363882.

Almost surely, 2^425455522 is an apocalyptic number.

425455522 is a deficient number, since it is larger than the sum of its proper divisors (212727764).

425455522 is a wasteful number, since it uses less digits than its factorization.

425455522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212727763.

The product of its digits is 80000, while the sum is 34.

The square root of 425455522 is about 20626.5732006070. The cubic root of 425455522 is about 752.1158162971.

The spelling of 425455522 in words is "four hundred twenty-five million, four hundred fifty-five thousand, five hundred twenty-two".