122444225 has 6 divisors (see below), whose sum is σ = 151830870. Its totient is φ = 97955360.

The previous prime is 122444221. The next prime is 122444243. The reversal of 122444225 is 522444221.

It can be written as a sum of positive squares in 3 ways, for example, as 43020481 + 79423744 = 6559^2 + 8912^2 .

It is not a de Polignac number, because 122444225 - 2² = 122444221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122444194 and 122444203.

It is not an unprimeable number, because it can be changed into a prime (122444221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2448860 + ... + 2448909.

It is an arithmetic number, because the mean of its divisors is an integer number (25305145).

Almost surely, 2^122444225 is an apocalyptic number.

It is an amenable number.

122444225 is a deficient number, since it is larger than the sum of its proper divisors (29386645).

122444225 is an equidigital number, since it uses as much as digits as its factorization.

122444225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897779 (or 4897774 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 122444225 is about 11065.4518660559. The cubic root of 122444225 is about 496.5688076997.

Adding to 122444225 its reverse (522444221), we get a palindrome (644888446).

The spelling of 122444225 in words is "one hundred twenty-two million, four hundred forty-four thousand, two hundred twenty-five".