28222764000 has 96 divisors (see below), whose sum is σ = 92457814176. Its totient is φ = 7526067200.

The previous prime is 28222763999. The next prime is 28222764079. The reversal of 28222764000 is 46722282.

It is a tau number, because it is divible by the number of its divisors (96).

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, 1163949 + ... + 1187948.

It is an arithmetic number, because the mean of its divisors is an integer number (963102231).

Almost surely, 2^28222764000 is an apocalyptic number.

28222764000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28222764000 is an abundant number, since it is smaller than the sum of its proper divisors (64235050176).

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

28222764000 is a wasteful number, since it uses less digits than its factorization.

28222764000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351925 (or 2351907 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The spelling of 28222764000 in words is "twenty-eight billion, two hundred twenty-two million, seven hundred sixty-four thousand".