2218567472 has 40 divisors (see below), whose sum is σ = 4692355920. Its totient is φ = 1007770880.

The previous prime is 2218567457. The next prime is 2218567489. The reversal of 2218567472 is 2747658122.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344054 + ... + 350442.

It is an arithmetic number, because the mean of its divisors is an integer number (117308898).

Almost surely, 2^2218567472 is an apocalyptic number.

2218567472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2218567472 is an abundant number, since it is smaller than the sum of its proper divisors (2473788448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2218567472 is a wasteful number, since it uses less digits than its factorization.

2218567472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8381 (or 8375 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 2218567472 is about 47101.6716476178. The cubic root of 2218567472 is about 1304.2400946743.

The spelling of 2218567472 in words is "two billion, two hundred eighteen million, five hundred sixty-seven thousand, four hundred seventy-two".