422717040 has 60 divisors (see below), whose sum is σ = 1419627144. Its totient is φ = 112724352.

The previous prime is 422717027. The next prime is 422717041. The reversal of 422717040 is 40717224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 422716995 and 422717013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422717041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292834 + ... + 294273.

Almost surely, 2^422717040 is an apocalyptic number.

422717040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422717040 is an abundant number, since it is smaller than the sum of its proper divisors (996910104).

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

422717040 is a wasteful number, since it uses less digits than its factorization.

422717040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587126 (or 587117 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 422717040 is about 20560.0836574174. The cubic root of 422717040 is about 750.4986550507.

The spelling of 422717040 in words is "four hundred twenty-two million, seven hundred seventeen thousand, forty".