122222071 has 2 divisors, whose sum is σ = 122222072. Its totient is φ = 122222070.

The previous prime is 122222059. The next prime is 122222131. The reversal of 122222071 is 170222221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122222071 - 2¹³ = 122213879 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122222171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111035 + 61111036.

It is an arithmetic number, because the mean of its divisors is an integer number (61111036).

Almost surely, 2^122222071 is an apocalyptic number.

122222071 is a deficient number, since it is larger than the sum of its proper divisors (1).

122222071 is an equidigital number, since it uses as much as digits as its factorization.

122222071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 122222071 is about 11055.4091285669. The cubic root of 122222071 is about 496.2683129780.

Adding to 122222071 its reverse (170222221), we get a palindrome (292444292).

The spelling of 122222071 in words is "one hundred twenty-two million, two hundred twenty-two thousand, seventy-one".