2222231918 has 8 divisors (see below), whose sum is σ = 3336126960. Its totient is φ = 1110189600.

The previous prime is 2222231861. The next prime is 2222231933. The reversal of 2222231918 is 8191322222.

It is a happy number.

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

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, 460178 + ... + 464981.

It is an arithmetic number, because the mean of its divisors is an integer number (417015870).

Almost surely, 2^2222231918 is an apocalyptic number.

2222231918 is a deficient number, since it is larger than the sum of its proper divisors (1113895042).

2222231918 is a wasteful number, since it uses less digits than its factorization.

2222231918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926362.

The product of its digits is 6912, while the sum is 32.

The square root of 2222231918 is about 47140.5549182442. The cubic root of 2222231918 is about 1304.9577782712.

The spelling of 2222231918 in words is "two billion, two hundred twenty-two million, two hundred thirty-one thousand, nine hundred eighteen".