2222640659 has 4 divisors (see below), whose sum is σ = 2223952104. Its totient is φ = 2221329216.

The previous prime is 2222640619. The next prime is 2222640661. The reversal of 2222640659 is 9560462222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2222640659 - 2⁸ = 2222640403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222640619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653177 + ... + 656570.

It is an arithmetic number, because the mean of its divisors is an integer number (555988026).

Almost surely, 2^2222640659 is an apocalyptic number.

2222640659 is a deficient number, since it is larger than the sum of its proper divisors (1311445).

2222640659 is a wasteful number, since it uses less digits than its factorization.

2222640659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311444.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 2222640659 is about 47144.8900624447. The cubic root of 2222640659 is about 1305.0377814793.

The spelling of 2222640659 in words is "two billion, two hundred twenty-two million, six hundred forty thousand, six hundred fifty-nine".