2212321994 has 16 divisors (see below), whose sum is σ = 3336627168. Its totient is φ = 1100128272.

The previous prime is 2212321963. The next prime is 2212322027. The reversal of 2212321994 is 4991232122.

It is a super-2 number, since 2×2212321994² = 9788737210272272072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321797 + ... + 328599.

It is an arithmetic number, because the mean of its divisors is an integer number (208539198).

Almost surely, 2^2212321994 is an apocalyptic number.

2212321994 is a deficient number, since it is larger than the sum of its proper divisors (1124305174).

2212321994 is a wasteful number, since it uses less digits than its factorization.

2212321994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669.

The product of its digits is 15552, while the sum is 35.

The square root of 2212321994 is about 47035.3270850751. The cubic root of 2212321994 is about 1303.0150912362.

The spelling of 2212321994 in words is "two billion, two hundred twelve million, three hundred twenty-one thousand, nine hundred ninety-four".