421308622 has 16 divisors (see below), whose sum is σ = 760256640. Its totient is φ = 171057528.

The previous prime is 421308617. The next prime is 421308647. The reversal of 421308622 is 226803124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791668 + ... + 792199.

It is an arithmetic number, because the mean of its divisors is an integer number (47516040).

Almost surely, 2^421308622 is an apocalyptic number.

421308622 is a deficient number, since it is larger than the sum of its proper divisors (338948018).

421308622 is a wasteful number, since it uses less digits than its factorization.

421308622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583895.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 421308622 is about 20525.8038088646. The cubic root of 421308622 is about 749.6642182825.

The spelling of 421308622 in words is "four hundred twenty-one million, three hundred eight thousand, six hundred twenty-two".