28766946222 has 24 divisors (see below), whose sum is σ = 71232438576. Its totient is φ = 8219127456.

The previous prime is 28766946167. The next prime is 28766946233. The reversal of 28766946222 is 22264966782.

28766946222 is a `hidden beast` number, since 2 + 8 + 7 + 6 + 6 + 9 + 4 + 622 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114154423 + ... + 114154674.

It is an arithmetic number, because the mean of its divisors is an integer number (2968018274).

Almost surely, 2^28766946222 is an apocalyptic number.

28766946222 is an abundant number, since it is smaller than the sum of its proper divisors (42465492354).

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

28766946222 is a wasteful number, since it uses less digits than its factorization.

28766946222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228309112 (or 228309109 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 28766946222 in words is "twenty-eight billion, seven hundred sixty-six million, nine hundred forty-six thousand, two hundred twenty-two".