222213101233231 has 2 divisors, whose sum is σ = 222213101233232. Its totient is φ = 222213101233230.

The previous prime is 222213101233223. The next prime is 222213101233247. The reversal of 222213101233231 is 132332101312222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222213101233231 - 2³ = 222213101233223 is a prime.

It is a super-2 number, since 2×222213101233231² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222213101233231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222213101233261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106550616615 + 111106550616616.

It is an arithmetic number, because the mean of its divisors is an integer number (111106550616616).

Almost surely, 2^{222213101233231} is an apocalyptic number.

222213101233231 is a deficient number, since it is larger than the sum of its proper divisors (1).

222213101233231 is an equidigital number, since it uses as much as digits as its factorization.

222213101233231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 222213101233231 its reverse (132332101312222), we get a palindrome (354545202545453).

The spelling of 222213101233231 in words is "two hundred twenty-two trillion, two hundred thirteen billion, one hundred one million, two hundred thirty-three thousand, two hundred thirty-one".