122222351 has 2 divisors, whose sum is σ = 122222352. Its totient is φ = 122222350.

The previous prime is 122222339. The next prime is 122222363. The reversal of 122222351 is 153222221.

It is a balanced prime because it is at equal distance from previous prime (122222339) and next prime (122222363).

It is an emirp because it is prime and its reverse (153222221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122222351 - 2¹⁰ = 122221327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122222381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111175 + 61111176.

It is an arithmetic number, because the mean of its divisors is an integer number (61111176).

Almost surely, 2^122222351 is an apocalyptic number.

122222351 is a deficient number, since it is larger than the sum of its proper divisors (1).

122222351 is an equidigital number, since it uses as much as digits as its factorization.

122222351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 20.

The square root of 122222351 is about 11055.4217920439. The cubic root of 122222351 is about 496.2686919467.

Adding to 122222351 its reverse (153222221), we get a palindrome (275444572).

The spelling of 122222351 in words is "one hundred twenty-two million, two hundred twenty-two thousand, three hundred fifty-one".