2216042604 has 48 divisors (see below), whose sum is σ = 5824019040. Its totient is φ = 728559360.

The previous prime is 2216042603. The next prime is 2216042611. The reversal of 2216042604 is 4062406122.

2216042604 is a `hidden beast` number, since 2 + 2 + 16 + 0 + 42 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2216042603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132657 + ... + 148424.

It is an arithmetic number, because the mean of its divisors is an integer number (121333730).

Almost surely, 2^2216042604 is an apocalyptic number.

It is an amenable number.

2216042604 is an abundant number, since it is smaller than the sum of its proper divisors (3607976436).

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

2216042604 is a wasteful number, since it uses less digits than its factorization.

2216042604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281167 (or 281159 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2216042604 is about 47074.8616992127. The cubic root of 2216042604 is about 1303.7451380356.

Adding to 2216042604 its reverse (4062406122), we get a palindrome (6278448726).

The spelling of 2216042604 in words is "two billion, two hundred sixteen million, forty-two thousand, six hundred four".