222222004231 has 4 divisors (see below), whose sum is σ = 222247647000. Its totient is φ = 222196361464.

The previous prime is 222222004223. The next prime is 222222004271. The reversal of 222222004231 is 132400222222.

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 222222004231 - 2³ = 222222004223 is a prime.

It is a super-2 number, since 2×222222004231² (a number of 23 digits) 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 (222222004201) 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, 12808381 + ... + 12825718.

It is an arithmetic number, because the mean of its divisors is an integer number (55561911750).

Almost surely, 2^222222004231 is an apocalyptic number.

222222004231 is a deficient number, since it is larger than the sum of its proper divisors (25642769).

222222004231 is an equidigital number, since it uses as much as digits as its factorization.

222222004231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25642768.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 222222004231 its reverse (132400222222), we get a palindrome (354622226453).

The spelling of 222222004231 in words is "two hundred twenty-two billion, two hundred twenty-two million, four thousand, two hundred thirty-one".