2218900868 has 24 divisors (see below), whose sum is σ = 3900973440. Its totient is φ = 1104348960.

The previous prime is 2218900829. The next prime is 2218900913. The reversal of 2218900868 is 8680098122.

It is a super-2 number, since 2×2218900868² = 9847042124022306848, which contains 22 as substring.

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, 1374830 + ... + 1376442.

It is an arithmetic number, because the mean of its divisors is an integer number (162540560).

Almost surely, 2^2218900868 is an apocalyptic number.

It is an amenable number.

2218900868 is a deficient number, since it is larger than the sum of its proper divisors (1682072572).

2218900868 is a wasteful number, since it uses less digits than its factorization.

2218900868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 2218900868 is about 47105.2106247281. The cubic root of 2218900868 is about 1304.3054231136.

The spelling of 2218900868 in words is "two billion, two hundred eighteen million, nine hundred thousand, eight hundred sixty-eight".