2216825684 has 12 divisors (see below), whose sum is σ = 4083626400. Its totient is φ = 1050075288.

The previous prime is 2216825683. The next prime is 2216825771. The reversal of 2216825684 is 4865286122.

It is a super-2 number, since 2×2216825684² = 9828632226484135712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216825683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14584304 + ... + 14584455.

It is an arithmetic number, because the mean of its divisors is an integer number (340302200).

Almost surely, 2^2216825684 is an apocalyptic number.

It is an amenable number.

2216825684 is a deficient number, since it is larger than the sum of its proper divisors (1866800716).

2216825684 is a wasteful number, since it uses less digits than its factorization.

2216825684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29168782 (or 29168780 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 2216825684 is about 47083.1783549072. The cubic root of 2216825684 is about 1303.8986875069.

The spelling of 2216825684 in words is "two billion, two hundred sixteen million, eight hundred twenty-five thousand, six hundred eighty-four".