2210221231 has 8 divisors (see below), whose sum is σ = 2232370800. Its totient is φ = 2188105920.

The previous prime is 2210221217. The next prime is 2210221241. The reversal of 2210221231 is 1321220122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2210221231 - 2⁷ = 2210221103 is a prime.

It is a super-2 number, since 2×2210221231² = 9770155779926310722, 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 (2210221241) 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, 132636 + ... + 148366.

It is an arithmetic number, because the mean of its divisors is an integer number (279046350).

Almost surely, 2^2210221231 is an apocalyptic number.

2210221231 is a deficient number, since it is larger than the sum of its proper divisors (22149569).

2210221231 is a wasteful number, since it uses less digits than its factorization.

2210221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17129.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2210221231 is about 47012.9900240348. The cubic root of 2210221231 is about 1302.6025242910.

Adding to 2210221231 its reverse (1321220122), we get a palindrome (3531441353).

The spelling of 2210221231 in words is "two billion, two hundred ten million, two hundred twenty-one thousand, two hundred thirty-one".