2218342936 has 16 divisors (see below), whose sum is σ = 4302820800. Its totient is φ = 1070924064.

The previous prime is 2218342921. The next prime is 2218342949. The reversal of 2218342936 is 6392438122.

It is a super-2 number, since 2×2218342936² = 9842090763402200192, 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, 4780680 + ... + 4781143.

It is an arithmetic number, because the mean of its divisors is an integer number (268926300).

Almost surely, 2^2218342936 is an apocalyptic number.

It is an amenable number.

2218342936 is a deficient number, since it is larger than the sum of its proper divisors (2084477864).

2218342936 is a wasteful number, since it uses less digits than its factorization.

2218342936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561858 (or 9561854 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 2218342936 is about 47099.2880625599. The cubic root of 2218342936 is about 1304.1960934982.

The spelling of 2218342936 in words is "two billion, two hundred eighteen million, three hundred forty-two thousand, nine hundred thirty-six".