2216331494 has 32 divisors (see below), whose sum is σ = 3780816480. Its totient is φ = 965958912.

The previous prime is 2216331493. The next prime is 2216331521. The reversal of 2216331494 is 4941336122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216331493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149522 + ... + 163674.

It is an arithmetic number, because the mean of its divisors is an integer number (118150515).

Almost surely, 2^2216331494 is an apocalyptic number.

2216331494 is a deficient number, since it is larger than the sum of its proper divisors (1564484986).

2216331494 is a wasteful number, since it uses less digits than its factorization.

2216331494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14504.

The product of its digits is 31104, while the sum is 35.

The square root of 2216331494 is about 47077.9300097190. The cubic root of 2216331494 is about 1303.8017889573.

The spelling of 2216331494 in words is "two billion, two hundred sixteen million, three hundred thirty-one thousand, four hundred ninety-four".