2222579878 has 8 divisors (see below), whose sum is σ = 3383629272. Its totient is φ = 1094703456.

The previous prime is 2222579839. The next prime is 2222579903. The reversal of 2222579878 is 8789752222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2222579878² = 9879722628180989768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8293075 + ... + 8293342.

It is an arithmetic number, because the mean of its divisors is an integer number (422953659).

Almost surely, 2^2222579878 is an apocalyptic number.

2222579878 is a deficient number, since it is larger than the sum of its proper divisors (1161049394).

2222579878 is a wasteful number, since it uses less digits than its factorization.

2222579878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16586486.

The product of its digits is 2257920, while the sum is 52.

The square root of 2222579878 is about 47144.2454388656. The cubic root of 2222579878 is about 1305.0258853857.

The spelling of 2222579878 in words is "two billion, two hundred twenty-two million, five hundred seventy-nine thousand, eight hundred seventy-eight".