425209422 has 16 divisors (see below), whose sum is σ = 927729792. Its totient is φ = 128851320.

The previous prime is 425209409. The next prime is 425209471. The reversal of 425209422 is 224902524.

It is a self number, because there is not a number n which added to its sum of digits gives 425209422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3221218 + ... + 3221349.

It is an arithmetic number, because the mean of its divisors is an integer number (57983112).

Almost surely, 2^425209422 is an apocalyptic number.

425209422 is an abundant number, since it is smaller than the sum of its proper divisors (502520370).

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

425209422 is a wasteful number, since it uses less digits than its factorization.

425209422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442583.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 425209422 is about 20620.6067321017. The cubic root of 425209422 is about 751.9707706592.

The spelling of 425209422 in words is "four hundred twenty-five million, two hundred nine thousand, four hundred twenty-two".