2216626904 has 8 divisors (see below), whose sum is σ = 4156175460. Its totient is φ = 1108313448.

The previous prime is 2216626813. The next prime is 2216626949. The reversal of 2216626904 is 4096266122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 138539174 + ... + 138539189.

Almost surely, 2^2216626904 is an apocalyptic number.

It is an amenable number.

2216626904 is a deficient number, since it is larger than the sum of its proper divisors (1939548556).

2216626904 is a wasteful number, since it uses less digits than its factorization.

2216626904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277078369 (or 277078365 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 2216626904 is about 47081.0673625822. The cubic root of 2216626904 is about 1303.8597133512.

The spelling of 2216626904 in words is "two billion, two hundred sixteen million, six hundred twenty-six thousand, nine hundred four".