422342256 has 80 divisors (see below), whose sum is σ = 1253634048. Its totient is φ = 120019200.

The previous prime is 422342251. The next prime is 422342257. The reversal of 422342256 is 652243224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422342251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60886 + ... + 67466.

Almost surely, 2^422342256 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 422342256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626817024).

422342256 is an abundant number, since it is smaller than the sum of its proper divisors (831291792).

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

422342256 is a wasteful number, since it uses less digits than its factorization.

422342256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790 (or 6784 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 422342256 is about 20550.9672765055. The cubic root of 422342256 is about 750.2767902814.

The spelling of 422342256 in words is "four hundred twenty-two million, three hundred forty-two thousand, two hundred fifty-six".