2216956 has 18 divisors (see below), whose sum is σ = 4513488. Its totient is φ = 950040.

The previous prime is 2216941. The next prime is 2216957. The reversal of 2216956 is 6596122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216957) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 5460 + ... + 5851.

2^2216956 is an apocalyptic number.

It is an amenable number.

2216956 is an abundant number, since it is smaller than the sum of its proper divisors (2296532).

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

2216956 is a wasteful number, since it uses less digits than its factorization.

2216956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11329 (or 11320 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 2216956 is about 1488.9445926562. The cubic root of 2216956 is about 130.3924236882.

The spelling of 2216956 in words is "two million, two hundred sixteen thousand, nine hundred fifty-six".