422707040 has 144 divisors (see below), whose sum is σ = 1216609632. Its totient is φ = 135487488.

The previous prime is 422707027. The next prime is 422707067. The reversal of 422707040 is 40707224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2836886 + ... + 2837034.

It is an arithmetic number, because the mean of its divisors is an integer number (8448678).

Almost surely, 2^422707040 is an apocalyptic number.

422707040 is a gapful number since it is divisible by the number (40) 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 422707040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608304816).

422707040 is an abundant number, since it is smaller than the sum of its proper divisors (793902592).

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

422707040 is a wasteful number, since it uses less digits than its factorization.

422707040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 422707040 is about 20559.8404663071. The cubic root of 422707040 is about 750.4927369502.

The spelling of 422707040 in words is "four hundred twenty-two million, seven hundred seven thousand, forty".