122202401 has 2 divisors, whose sum is σ = 122202402. Its totient is φ = 122202400.

The previous prime is 122202371. The next prime is 122202481. The reversal of 122202401 is 104202221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112869376 + 9333025 = 10624^2 + 3055^2 .

It is an emirp because it is prime and its reverse (104202221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122202401 - 2¹⁰ = 122201377 is a prime.

It is not a weakly prime, because it can be changed into another prime (122202481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101200 + 61101201.

It is an arithmetic number, because the mean of its divisors is an integer number (61101201).

Almost surely, 2^122202401 is an apocalyptic number.

It is an amenable number.

122202401 is a deficient number, since it is larger than the sum of its proper divisors (1).

122202401 is an equidigital number, since it uses as much as digits as its factorization.

122202401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 122202401 is about 11054.5194829988. The cubic root of 122202401 is about 496.2416889775.

Adding to 122202401 its reverse (104202221), we get a palindrome (226404622).

The spelling of 122202401 in words is "one hundred twenty-two million, two hundred two thousand, four hundred one".