28888822622 has 32 divisors (see below), whose sum is σ = 47680565760. Its totient is φ = 13018397920.

The previous prime is 28888822607. The next prime is 28888822649. The reversal of 28888822622 is 22622888882.

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 15 ways as a sum of consecutive naturals, for example, 1355783 + ... + 1376925.

It is an arithmetic number, because the mean of its divisors is an integer number (1490017680).

Almost surely, 2^28888822622 is an apocalyptic number.

28888822622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28888822622 is a deficient number, since it is larger than the sum of its proper divisors (18791743138).

28888822622 is a wasteful number, since it uses less digits than its factorization.

28888822622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21688.

The product of its digits is 6291456, while the sum is 56.

The spelling of 28888822622 in words is "twenty-eight billion, eight hundred eighty-eight million, eight hundred twenty-two thousand, six hundred twenty-two".