122444321 has 2 divisors, whose sum is σ = 122444322. Its totient is φ = 122444320.

The previous prime is 122444297. The next prime is 122444323. The reversal of 122444321 is 123444221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120209296 + 2235025 = 10964^2 + 1495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122444321 is a prime.

It is a super-2 number, since 2×122444321² = 29985223490302082, which contains 22 as substring.

Together with 122444323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122444323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61222160 + 61222161.

It is an arithmetic number, because the mean of its divisors is an integer number (61222161).

Almost surely, 2^122444321 is an apocalyptic number.

It is an amenable number.

122444321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122444321 is an equidigital number, since it uses as much as digits as its factorization.

122444321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 23.

The square root of 122444321 is about 11065.4562038806. The cubic root of 122444321 is about 496.5689374747.

Adding to 122444321 its reverse (123444221), we get a palindrome (245888542).

The spelling of 122444321 in words is "one hundred twenty-two million, four hundred forty-four thousand, three hundred twenty-one".