425426220 has 72 divisors (see below), whose sum is σ = 1292469360. Its totient is φ = 113270400.

The previous prime is 425426191. The next prime is 425426231. The reversal of 425426220 is 22624524.

It is a happy number.

425426220 is a `hidden beast` number, since 42 + 542 + 62 + 20 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147795 + ... + 150645.

Almost surely, 2^425426220 is an apocalyptic number.

It is an amenable number.

425426220 is an abundant number, since it is smaller than the sum of its proper divisors (867043140).

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

425426220 is a wasteful number, since it uses less digits than its factorization.

425426220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695 (or 3690 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 425426220 is about 20625.8628910405. The cubic root of 425426220 is about 752.0985493111.

The spelling of 425426220 in words is "four hundred twenty-five million, four hundred twenty-six thousand, two hundred twenty".