425422004 has 48 divisors (see below), whose sum is σ = 892534272. Its totient is φ = 173601792.

The previous prime is 425421977. The next prime is 425422069. The reversal of 425422004 is 400224524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44324 + ... + 53060.

It is an arithmetic number, because the mean of its divisors is an integer number (18594464).

Almost surely, 2^425422004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425422004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446267136).

425422004 is an abundant number, since it is smaller than the sum of its proper divisors (467112268).

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

425422004 is a wasteful number, since it uses less digits than its factorization.

425422004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8832 (or 8830 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 425422004 is about 20625.7606890025. The cubic root of 425422004 is about 752.0960648553.

Adding to 425422004 its reverse (400224524), we get a palindrome (825646528).

The spelling of 425422004 in words is "four hundred twenty-five million, four hundred twenty-two thousand, four".