122212201 has 4 divisors (see below), whose sum is σ = 129401172. Its totient is φ = 115023232.

The previous prime is 122212193. The next prime is 122212213. The reversal of 122212201 is 102212221.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104530176 + 17682025 = 10224^2 + 4205^2 .

It is a cyclic number.

It is not a de Polignac number, because 122212201 - 2³ = 122212193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122212301) 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, 3594460 + ... + 3594493.

It is an arithmetic number, because the mean of its divisors is an integer number (32350293).

Almost surely, 2^122212201 is an apocalyptic number.

It is an amenable number.

122212201 is a deficient number, since it is larger than the sum of its proper divisors (7188971).

122212201 is an equidigital number, since it uses as much as digits as its factorization.

122212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188970.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 122212201 is about 11054.9627317327. The cubic root of 122212201 is about 496.2549539612.

Adding to 122212201 its reverse (102212221), we get a palindrome (224424422).

The spelling of 122212201 in words is "one hundred twenty-two million, two hundred twelve thousand, two hundred one".