2216504605 has 32 divisors (see below), whose sum is σ = 3077627904. Its totient is φ = 1501065216.

The previous prime is 2216504569. The next prime is 2216504623. The reversal of 2216504605 is 5064056122.

It is not a de Polignac number, because 2216504605 - 2¹¹ = 2216502557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1332004 + ... + 1333666.

It is an arithmetic number, because the mean of its divisors is an integer number (96175872).

Almost surely, 2^2216504605 is an apocalyptic number.

It is an amenable number.

2216504605 is a deficient number, since it is larger than the sum of its proper divisors (861123299).

2216504605 is a wasteful number, since it uses less digits than its factorization.

2216504605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2216504605 is about 47079.7685317165. The cubic root of 2216504605 is about 1303.8357334215.

The spelling of 2216504605 in words is "two billion, two hundred sixteen million, five hundred four thousand, six hundred five".