422406456 has 32 divisors (see below), whose sum is σ = 1073331600. Its totient is φ = 138493440.

The previous prime is 422406451. The next prime is 422406469. The reversal of 422406456 is 654604224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422406451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142801 + ... + 145728.

Almost surely, 2^422406456 is an apocalyptic number.

It is an amenable number.

422406456 is an abundant number, since it is smaller than the sum of its proper divisors (650925144).

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

422406456 is a wasteful number, since it uses less digits than its factorization.

422406456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288599 (or 288595 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 422406456 is about 20552.5291874261. The cubic root of 422406456 is about 750.3148047344.

The spelling of 422406456 in words is "four hundred twenty-two million, four hundred six thousand, four hundred fifty-six".