428321901022 has 16 divisors (see below), whose sum is σ = 646757971200. Its totient is φ = 212739075360.

The previous prime is 428321900989. The next prime is 428321901043. The reversal of 428321901022 is 220109123824.

It is a happy number.

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, 519897 + ... + 1061572.

It is an arithmetic number, because the mean of its divisors is an integer number (40422373200).

Almost surely, 2^428321901022 is an apocalyptic number.

428321901022 is a deficient number, since it is larger than the sum of its proper divisors (218436070178).

428321901022 is a wasteful number, since it uses less digits than its factorization.

428321901022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582371.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 428321901022 in words is "four hundred twenty-eight billion, three hundred twenty-one million, nine hundred one thousand, twenty-two".