2222120231 has 8 divisors (see below), whose sum is σ = 2230846320. Its totient is φ = 2213405568.

The previous prime is 2222120221. The next prime is 2222120233. The reversal of 2222120231 is 1320212222.

2222120231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222120231 is a prime.

It is a super-2 number, since 2×2222120231² = 9875636642038986722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222120233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689135 + ... + 692351.

It is an arithmetic number, because the mean of its divisors is an integer number (278855790).

Almost surely, 2^2222120231 is an apocalyptic number.

2222120231 is a deficient number, since it is larger than the sum of its proper divisors (8726089).

2222120231 is a wasteful number, since it uses less digits than its factorization.

2222120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2222120231 is about 47139.3702864177. The cubic root of 2222120231 is about 1304.9359159774.

Adding to 2222120231 its reverse (1320212222), we get a palindrome (3542332453).

The spelling of 2222120231 in words is "two billion, two hundred twenty-two million, one hundred twenty thousand, two hundred thirty-one".