2778222083 has 16 divisors (see below), whose sum is σ = 3422420736. Its totient is φ = 2196180000.

The previous prime is 2778222053. The next prime is 2778222103. The reversal of 2778222083 is 3802228772.

It is not a de Polignac number, because 2778222083 - 2²² = 2774027779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2778222083.

It is not an unprimeable number, because it can be changed into a prime (2778222043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92708 + ... + 118958.

It is an arithmetic number, because the mean of its divisors is an integer number (213901296).

Almost surely, 2^2778222083 is an apocalyptic number.

2778222083 is a deficient number, since it is larger than the sum of its proper divisors (644198653).

2778222083 is a wasteful number, since it uses less digits than its factorization.

2778222083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27434.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 2778222083 is about 52708.8425503729. The cubic root of 2778222083 is about 1405.7960531482.

The spelling of 2778222083 in words is "two billion, seven hundred seventy-eight million, two hundred twenty-two thousand, eighty-three".