428519888022 has 32 divisors (see below), whose sum is σ = 875813571072. Its totient is φ = 139714739424.

The previous prime is 428519888021. The next prime is 428519888033. The reversal of 428519888022 is 220888915824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428519888021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8173 + ... + 925800.

It is an arithmetic number, because the mean of its divisors is an integer number (27369174096).

Almost surely, 2^428519888022 is an apocalyptic number.

428519888022 is an abundant number, since it is smaller than the sum of its proper divisors (447293683050).

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

428519888022 is a wasteful number, since it uses less digits than its factorization.

428519888022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935652.

The product of its (nonzero) digits is 5898240, while the sum is 57.

The spelling of 428519888022 in words is "four hundred twenty-eight billion, five hundred nineteen million, eight hundred eighty-eight thousand, twenty-two".