425919226 has 4 divisors (see below), whose sum is σ = 638878842. Its totient is φ = 212959612.

The previous prime is 425919209. The next prime is 425919229. The reversal of 425919226 is 622919524.

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., 287268601 + 138650625 = 16949^2 + 11775^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (425919229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106479805 + ... + 106479808.

Almost surely, 2^425919226 is an apocalyptic number.

425919226 is a deficient number, since it is larger than the sum of its proper divisors (212959616).

425919226 is a wasteful number, since it uses less digits than its factorization.

425919226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212959615.

The product of its digits is 77760, while the sum is 40.

The square root of 425919226 is about 20637.8105912425. The cubic root of 425919226 is about 752.3889607794.

The spelling of 425919226 in words is "four hundred twenty-five million, nine hundred nineteen thousand, two hundred twenty-six".