122221343 has 4 divisors (see below), whose sum is σ = 122352720. Its totient is φ = 122089968.

The previous prime is 122221331. The next prime is 122221367. The reversal of 122221343 is 343122221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122221343 - 2⁴ = 122221327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64283 + ... + 66156.

It is an arithmetic number, because the mean of its divisors is an integer number (30588180).

Almost surely, 2^122221343 is an apocalyptic number.

122221343 is a deficient number, since it is larger than the sum of its proper divisors (131377).

122221343 is an equidigital number, since it uses as much as digits as its factorization.

122221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131376.

The product of its digits is 576, while the sum is 20.

The square root of 122221343 is about 11055.3762034587. The cubic root of 122221343 is about 496.2673276567.

Adding to 122221343 its reverse (343122221), we get a palindrome (465343564).

The spelling of 122221343 in words is "one hundred twenty-two million, two hundred twenty-one thousand, three hundred forty-three".