2646868222 has 16 divisors (see below), whose sum is σ = 4137201360. Its totient is φ = 1268467648.

The previous prime is 2646868183. The next prime is 2646868229. The reversal of 2646868222 is 2228686462.

It is a super-2 number, since 2×2646868222² = 14011822769266882568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646868229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158608 + ... + 174499.

It is an arithmetic number, because the mean of its divisors is an integer number (258575085).

Almost surely, 2^2646868222 is an apocalyptic number.

2646868222 is a deficient number, since it is larger than the sum of its proper divisors (1490333138).

2646868222 is a wasteful number, since it uses less digits than its factorization.

2646868222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333275.

The product of its digits is 884736, while the sum is 46.

The square root of 2646868222 is about 51447.7231954923. The cubic root of 2646868222 is about 1383.2821515813.

The spelling of 2646868222 in words is "two billion, six hundred forty-six million, eight hundred sixty-eight thousand, two hundred twenty-two".