2216391490 has 32 divisors (see below), whose sum is σ = 4287250944. Its totient is φ = 821948160.

The previous prime is 2216391487. The next prime is 2216391491. The reversal of 2216391490 is 941936122.

It is not an unprimeable number, because it can be changed into a prime (2216391491) 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 15 ways as a sum of consecutive naturals, for example, 85906 + ... + 108685.

It is an arithmetic number, because the mean of its divisors is an integer number (133976592).

Almost surely, 2^2216391490 is an apocalyptic number.

2216391490 is a deficient number, since it is larger than the sum of its proper divisors (2070859454).

2216391490 is a wasteful number, since it uses less digits than its factorization.

2216391490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194682.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2216391490 is about 47078.5672041960. The cubic root of 2216391490 is about 1303.8135534709.

The spelling of 2216391490 in words is "two billion, two hundred sixteen million, three hundred ninety-one thousand, four hundred ninety".