2213230331 has 4 divisors (see below), whose sum is σ = 2383478832. Its totient is φ = 2042981832.

The previous prime is 2213230231. The next prime is 2213230343. The reversal of 2213230331 is 1330323122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213230331 is a prime.

It is a super-2 number, since 2×2213230331² = 9796776996116739122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213230351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85124231 + ... + 85124256.

It is an arithmetic number, because the mean of its divisors is an integer number (595869708).

Almost surely, 2^2213230331 is an apocalyptic number.

2213230331 is a deficient number, since it is larger than the sum of its proper divisors (170248501).

2213230331 is a wasteful number, since it uses less digits than its factorization.

2213230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170248500.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2213230331 is about 47044.9819959579. The cubic root of 2213230331 is about 1303.1933978411.

Adding to 2213230331 its reverse (1330323122), we get a palindrome (3543553453).

The spelling of 2213230331 in words is "two billion, two hundred thirteen million, two hundred thirty thousand, three hundred thirty-one".