428900017322 has 24 divisors (see below), whose sum is σ = 748518105060. Its totient is φ = 183782034240.

The previous prime is 428900017313. The next prime is 428900017327. The reversal of 428900017322 is 223710009824.

It can be written as a sum of positive squares in 2 ways, for example, as 427024347841 + 1875669481 = 653471^2 + 43309^2 .

It is not an unprimeable number, because it can be changed into a prime (428900017327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181454 + ... + 943782.

Almost surely, 2^428900017322 is an apocalyptic number.

428900017322 is a deficient number, since it is larger than the sum of its proper divisors (319618087738).

428900017322 is a wasteful number, since it uses less digits than its factorization.

428900017322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768086 (or 768079 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 428900017322 in words is "four hundred twenty-eight billion, nine hundred million, seventeen thousand, three hundred twenty-two".