28889216022 has 16 divisors (see below), whose sum is σ = 57780400752. Its totient is φ = 9629410560.

The previous prime is 28889216003. The next prime is 28889216023. The reversal of 28889216022 is 22061298882.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28889216023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166798 + ... + 292574.

It is an arithmetic number, because the mean of its divisors is an integer number (3611275047).

Almost surely, 2^28889216022 is an apocalyptic number.

28889216022 is an abundant number, since it is smaller than the sum of its proper divisors (28891184730).

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

28889216022 is a wasteful number, since it uses less digits than its factorization.

28889216022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164063.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 28889216022 in words is "twenty-eight billion, eight hundred eighty-nine million, two hundred sixteen thousand, twenty-two".