222003331231 has 4 divisors (see below), whose sum is σ = 242185452264. Its totient is φ = 201821210200.

The previous prime is 222003331223. The next prime is 222003331241. The reversal of 222003331231 is 132133300222.

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

It is a cyclic number.

It is not a de Polignac number, because 222003331231 - 2³ = 222003331223 is a prime.

It is a super-2 number, since 2×222003331231² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222003331241) 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, 10091060500 + ... + 10091060521.

It is an arithmetic number, because the mean of its divisors is an integer number (60546363066).

Almost surely, 2^222003331231 is an apocalyptic number.

222003331231 is a deficient number, since it is larger than the sum of its proper divisors (20182121033).

222003331231 is a wasteful number, since it uses less digits than its factorization.

222003331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20182121032.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 222003331231 its reverse (132133300222), we get a palindrome (354136631453).

The spelling of 222003331231 in words is "two hundred twenty-two billion, three million, three hundred thirty-one thousand, two hundred thirty-one".