28446002222 has 16 divisors (see below), whose sum is σ = 46882886400. Its totient is φ = 12836978040.

The previous prime is 28446002201. The next prime is 28446002243. The reversal of 28446002222 is 22220064482.

It is an interprime number because it is at equal distance from previous prime (28446002201) and next prime (28446002243).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4648022 + ... + 4654137.

It is an arithmetic number, because the mean of its divisors is an integer number (2930180400).

Almost surely, 2^28446002222 is an apocalyptic number.

28446002222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28446002222 is a deficient number, since it is larger than the sum of its proper divisors (18436884178).

28446002222 is a wasteful number, since it uses less digits than its factorization.

28446002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9302311.

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 28446002222 in words is "twenty-eight billion, four hundred forty-six million, two thousand, two hundred twenty-two".