422521616 has 40 divisors (see below), whose sum is σ = 894448704. Its totient is φ = 191756160.

The previous prime is 422521613. The next prime is 422521633. The reversal of 422521616 is 616125224.

It is not an unprimeable number, because it can be changed into a prime (422521613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143390 + ... + 146306.

Almost surely, 2^422521616 is an apocalyptic number.

It is an amenable number.

422521616 is an abundant number, since it is smaller than the sum of its proper divisors (471927088).

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

422521616 is a wasteful number, since it uses less digits than its factorization.

422521616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3759 (or 3753 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 422521616 is about 20555.3305981684. The cubic root of 422521616 is about 750.3829842493.

The spelling of 422521616 in words is "four hundred twenty-two million, five hundred twenty-one thousand, six hundred sixteen".