2213721158 has 32 divisors (see below), whose sum is σ = 3783566592. Its totient is φ = 961567200.

The previous prime is 2213721073. The next prime is 2213721193. The reversal of 2213721158 is 8511273122.

It is a super-2 number, since 2×2213721158² = 9801122730753721928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037753 + ... + 1039883.

It is an arithmetic number, because the mean of its divisors is an integer number (118236456).

Almost surely, 2^2213721158 is an apocalyptic number.

2213721158 is a deficient number, since it is larger than the sum of its proper divisors (1569845434).

2213721158 is a wasteful number, since it uses less digits than its factorization.

2213721158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220.

The product of its digits is 6720, while the sum is 32.

The square root of 2213721158 is about 47050.1982780094. The cubic root of 2213721158 is about 1303.2897269064.

The spelling of 2213721158 in words is "two billion, two hundred thirteen million, seven hundred twenty-one thousand, one hundred fifty-eight".