425422032 has 80 divisors (see below), whose sum is σ = 1258348032. Its totient is φ = 121322880.

The previous prime is 425421977. The next prime is 425422069. The reversal of 425422032 is 230224524.

It is a happy number.

It is a super-2 number, since 2×425422032² = 361967810622018048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 425421993 and 425422011.

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, 277107 + ... + 278637.

Almost surely, 2^425422032 is an apocalyptic number.

425422032 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425422032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629174016).

425422032 is an abundant number, since it is smaller than the sum of its proper divisors (832926000).

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

425422032 is a wasteful number, since it uses less digits than its factorization.

425422032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376 (or 2370 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 425422032 is about 20625.7613677653. The cubic root of 425422032 is about 752.0960813555.

Adding to 425422032 its reverse (230224524), we get a palindrome (655646556).

The spelling of 425422032 in words is "four hundred twenty-five million, four hundred twenty-two thousand, thirty-two".