422431356 has 24 divisors (see below), whose sum is σ = 986293504. Its totient is φ = 140721840.

The previous prime is 422431267. The next prime is 422431367. The reversal of 422431356 is 653134224.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 10461 + ... + 30891.

Almost surely, 2^422431356 is an apocalyptic number.

It is an amenable number.

422431356 is an abundant number, since it is smaller than the sum of its proper divisors (563862148).

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

422431356 is a wasteful number, since it uses less digits than its factorization.

422431356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22161 (or 22159 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 422431356 is about 20553.1349433608. The cubic root of 422431356 is about 750.3295476211.

The spelling of 422431356 in words is "four hundred twenty-two million, four hundred thirty-one thousand, three hundred fifty-six".