2216268582 has 16 divisors (see below), whose sum is σ = 4835495232. Its totient is φ = 671596520.

The previous prime is 2216268581. The next prime is 2216268583. The reversal of 2216268582 is 2858626122.

It is an interprime number because it is at equal distance from previous prime (2216268581) and next prime (2216268583).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216268581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16789848 + ... + 16789979.

It is an arithmetic number, because the mean of its divisors is an integer number (302218452).

Almost surely, 2^2216268582 is an apocalyptic number.

2216268582 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2216268582 is an abundant number, since it is smaller than the sum of its proper divisors (2619226650).

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

2216268582 is a wasteful number, since it uses less digits than its factorization.

2216268582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33579843.

The product of its digits is 184320, while the sum is 42.

The square root of 2216268582 is about 47077.2618362623. The cubic root of 2216268582 is about 1303.7894524221.

The spelling of 2216268582 in words is "two billion, two hundred sixteen million, two hundred sixty-eight thousand, five hundred eighty-two".