2215980556 has 12 divisors (see below), whose sum is σ = 3881445568. Its totient is φ = 1106996112.

The previous prime is 2215980553. The next prime is 2215980577. The reversal of 2215980556 is 6550895122.

It is not an unprimeable number, because it can be changed into a prime (2215980553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243516 + ... + 252451.

Almost surely, 2^2215980556 is an apocalyptic number.

It is an amenable number.

2215980556 is a deficient number, since it is larger than the sum of its proper divisors (1665465012).

2215980556 is a wasteful number, since it uses less digits than its factorization.

2215980556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497088 (or 497086 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 2215980556 is about 47074.2026592060. The cubic root of 2215980556 is about 1303.7329698681.

The spelling of 2215980556 in words is "two billion, two hundred fifteen million, nine hundred eighty thousand, five hundred fifty-six".