2222818668 has 72 divisors (see below), whose sum is σ = 6628643840. Its totient is φ = 614602080.

The previous prime is 2222818613. The next prime is 2222818673. The reversal of 2222818668 is 8668182222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134458 + ... + 150081.

Almost surely, 2^2222818668 is an apocalyptic number.

2222818668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2222818668 is an abundant number, since it is smaller than the sum of its proper divisors (4405825172).

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

2222818668 is a wasteful number, since it uses less digits than its factorization.

2222818668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284587 (or 284582 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 2222818668 is about 47146.7779174781. Note that the first 3 decimals coincide. The cubic root of 2222818668 is about 1305.0726202597.

The spelling of 2222818668 in words is "two billion, two hundred twenty-two million, eight hundred eighteen thousand, six hundred sixty-eight".