122232311 has 2 divisors, whose sum is σ = 122232312. Its totient is φ = 122232310.

The previous prime is 122232307. The next prime is 122232317. The reversal of 122232311 is 113232221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122232311 - 2² = 122232307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122232311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122232317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61116155 + 61116156.

It is an arithmetic number, because the mean of its divisors is an integer number (61116156).

Almost surely, 2^122232311 is an apocalyptic number.

122232311 is a deficient number, since it is larger than the sum of its proper divisors (1).

122232311 is an equidigital number, since it uses as much as digits as its factorization.

122232311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 17.

The square root of 122232311 is about 11055.8722405788. The cubic root of 122232311 is about 496.2821720287.

Adding to 122232311 its reverse (113232221), we get a palindrome (235464532).

It can be divided in two parts, 1222 and 32311, that added together give a palindrome (33533).

The spelling of 122232311 in words is "one hundred twenty-two million, two hundred thirty-two thousand, three hundred eleven".