2215126956 has 24 divisors (see below), whose sum is σ = 5907005440. Its totient is φ = 632893392.

The previous prime is 2215126933. The next prime is 2215127003. The reversal of 2215126956 is 6596215122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13185196 + ... + 13185363.

Almost surely, 2^2215126956 is an apocalyptic number.

It is an amenable number.

2215126956 is an abundant number, since it is smaller than the sum of its proper divisors (3691878484).

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

2215126956 is a wasteful number, since it uses less digits than its factorization.

2215126956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26370573 (or 26370571 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 2215126956 is about 47065.1352489292. The cubic root of 2215126956 is about 1303.5655482146.

The spelling of 2215126956 in words is "two billion, two hundred fifteen million, one hundred twenty-six thousand, nine hundred fifty-six".