2778222084 has 48 divisors (see below), whose sum is σ = 7136754240. Its totient is φ = 834157440.

The previous prime is 2778222053. The next prime is 2778222103. The reversal of 2778222084 is 4802228772.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 82159 + ... + 110934.

It is an arithmetic number, because the mean of its divisors is an integer number (148682380).

Almost surely, 2^2778222084 is an apocalyptic number.

It is an amenable number.

2778222084 is an abundant number, since it is smaller than the sum of its proper divisors (4358532156).

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

2778222084 is a wasteful number, since it uses less digits than its factorization.

2778222084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193220 (or 193218 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 2778222084 is about 52708.8425598590. The cubic root of 2778222084 is about 1405.7960533168.

The spelling of 2778222084 in words is "two billion, seven hundred seventy-eight million, two hundred twenty-two thousand, eighty-four".