122210225 has 6 divisors (see below), whose sum is σ = 151540710. Its totient is φ = 97768160.

The previous prime is 122210191. The next prime is 122210227. The reversal of 122210225 is 522012221.

It can be written as a sum of positive squares in 3 ways, for example, as 8809024 + 113401201 = 2968^2 + 10649^2 .

It is not a de Polignac number, because 122210225 - 2¹⁰ = 122209201 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (122210227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2444180 + ... + 2444229.

It is an arithmetic number, because the mean of its divisors is an integer number (25256785).

Almost surely, 2^122210225 is an apocalyptic number.

It is an amenable number.

122210225 is a deficient number, since it is larger than the sum of its proper divisors (29330485).

122210225 is an equidigital number, since it uses as much as digits as its factorization.

122210225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888419 (or 4888414 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122210225 is about 11054.8733597450. The cubic root of 122210225 is about 496.2522793644.

Adding to 122210225 its reverse (522012221), we get a palindrome (644222446).

The spelling of 122210225 in words is "one hundred twenty-two million, two hundred ten thousand, two hundred twenty-five".