422834540 has 24 divisors (see below), whose sum is σ = 940185792. Its totient is φ = 159184640.

The previous prime is 422834539. The next prime is 422834549. The reversal of 422834540 is 45438224.

It is a junction number, because it is equal to n+sod(n) for n = 422834497 and 422834506.

It is not an unprimeable number, because it can be changed into a prime (422834549) 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, 621476 + ... + 622155.

It is an arithmetic number, because the mean of its divisors is an integer number (39174408).

Almost surely, 2^422834540 is an apocalyptic number.

It is an amenable number.

422834540 is an abundant number, since it is smaller than the sum of its proper divisors (517351252).

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

422834540 is a wasteful number, since it uses less digits than its factorization.

422834540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243657 (or 1243655 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 422834540 is about 20562.9409375216. The cubic root of 422834540 is about 750.5681857409.

The spelling of 422834540 in words is "four hundred twenty-two million, eight hundred thirty-four thousand, five hundred forty".