2216030391 has 6 divisors (see below), whose sum is σ = 3200932800. Its totient is φ = 1477353588.

The previous prime is 2216030321. The next prime is 2216030407. The reversal of 2216030391 is 1930306122.

2216030391 is a `hidden beast` number, since 2 + 21 + 603 + 0 + 39 + 1 = 666.

It is not a de Polignac number, because 2216030391 - 2¹¹ = 2216028343 is a prime.

It is a super-2 number, since 2×2216030391² = 9821581387671225762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216030321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123112791 + ... + 123112808.

It is an arithmetic number, because the mean of its divisors is an integer number (533488800).

Almost surely, 2^2216030391 is an apocalyptic number.

2216030391 is a deficient number, since it is larger than the sum of its proper divisors (984902409).

2216030391 is a wasteful number, since it uses less digits than its factorization.

2216030391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246225605 (or 246225602 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2216030391 is about 47074.7319801186. The cubic root of 2216030391 is about 1303.7427429751.

The spelling of 2216030391 in words is "two billion, two hundred sixteen million, thirty thousand, three hundred ninety-one".