28423284522 has 32 divisors (see below), whose sum is σ = 58249255680. Its totient is φ = 9240775680.

The previous prime is 28423284503. The next prime is 28423284529. The reversal of 28423284522 is 22548232482.

It is not an unprimeable number, because it can be changed into a prime (28423284529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001743 + ... + 1029725.

It is an arithmetic number, because the mean of its divisors is an integer number (1820289240).

Almost surely, 2^28423284522 is an apocalyptic number.

28423284522 is an abundant number, since it is smaller than the sum of its proper divisors (29825971158).

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

28423284522 is a wasteful number, since it uses less digits than its factorization.

28423284522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32158.

The product of its digits is 491520, while the sum is 42.

The spelling of 28423284522 in words is "twenty-eight billion, four hundred twenty-three million, two hundred eighty-four thousand, five hundred twenty-two".