424878522 has 8 divisors (see below), whose sum is σ = 849757056. Its totient is φ = 141626172.

The previous prime is 424878497. The next prime is 424878523. The reversal of 424878522 is 225878424.

It is a sphenic number, since it is the product of 3 distinct primes.

424878522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (424878523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35406538 + ... + 35406549.

It is an arithmetic number, because the mean of its divisors is an integer number (106219632).

Almost surely, 2^424878522 is an apocalyptic number.

424878522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

424878522 is a wasteful number, since it uses less digits than its factorization.

424878522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70813092.

The product of its digits is 286720, while the sum is 42.

The square root of 424878522 is about 20612.5816432586. The cubic root of 424878522 is about 751.7756576245.

The spelling of 424878522 in words is "four hundred twenty-four million, eight hundred seventy-eight thousand, five hundred twenty-two".