2222640658 has 16 divisors (see below), whose sum is σ = 3863908224. Its totient is φ = 939143520.

The previous prime is 2222640619. The next prime is 2222640661. The reversal of 2222640658 is 8560462222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117035 + ... + 1119022.

It is an arithmetic number, because the mean of its divisors is an integer number (241494264).

Almost surely, 2^2222640658 is an apocalyptic number.

2222640658 is a deficient number, since it is larger than the sum of its proper divisors (1641267566).

2222640658 is a wasteful number, since it uses less digits than its factorization.

2222640658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236137.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 2222640658 is about 47144.8900518391. The cubic root of 2222640658 is about 1305.0377812836.

The spelling of 2222640658 in words is "two billion, two hundred twenty-two million, six hundred forty thousand, six hundred fifty-eight".