34222231 has 2 divisors, whose sum is σ = 34222232.
Its totient is φ = 34222230.
The previous prime is 34222219. The next prime is 34222267. The reversal of 34222231 is 13222243.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 34222231 - 27 = 34222103 is a prime.
It is a super-2 number, since 2×342222312 = 2342322189234722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 34222199 and 34222208.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (34222271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17111115 + 17111116.
It is an arithmetic number, because the mean of its divisors is an integer number (17111116).
Almost surely, 234222231 is an apocalyptic number.
34222231 is a deficient number, since it is larger than the sum of its proper divisors (1).
34222231 is an equidigital number, since it uses as much as digits as its factorization.
34222231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 576, while the sum is 19.
The square root of 34222231 is about 5849.9770085018.
The cubic root of 34222231 is about 324.6654735375.
Adding to 34222231 its reverse (13222243), we get a palindrome (47444474).
It can be divided in two parts, 34222 and 231, that added together give a triangular number (34453 = T262).
The spelling of 34222231 in words is "thirty-four million, two hundred twenty-two thousand, two hundred thirty-one".