422654840 has 32 divisors (see below), whose sum is σ = 954359280. Its totient is φ = 168460032.

The previous prime is 422654839. The next prime is 422654849. The reversal of 422654840 is 48456224.

It is a super-2 number, since 2×422654840² = 357274227550851200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422654840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422654849) 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, 7349 + ... + 29988.

Almost surely, 2^422654840 is an apocalyptic number.

422654840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422654840 is an abundant number, since it is smaller than the sum of its proper divisors (531704440).

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

422654840 is a wasteful number, since it uses less digits than its factorization.

422654840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37631 (or 37627 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 422654840 is about 20558.5709620100. The cubic root of 422654840 is about 750.4618429505.

The spelling of 422654840 in words is "four hundred twenty-two million, six hundred fifty-four thousand, eight hundred forty".