1220314225 has 24 divisors (see below), whose sum is σ = 1682170112. Its totient is φ = 872078400.

The previous prime is 1220314181. The next prime is 1220314231. The reversal of 1220314225 is 5224130221.

It is a happy number.

It is not a de Polignac number, because 1220314225 - 2⁷ = 1220314097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220314196 and 1220314205.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 50487 + ... + 70636.

Almost surely, 2^1220314225 is an apocalyptic number.

It is an amenable number.

1220314225 is a deficient number, since it is larger than the sum of its proper divisors (461855887).

1220314225 is a wasteful number, since it uses less digits than its factorization.

1220314225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121177 (or 121172 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1220314225 is about 34932.9962213378. The cubic root of 1220314225 is about 1068.6214596386.

Adding to 1220314225 its reverse (5224130221), we get a palindrome (6444444446).

The spelling of 1220314225 in words is "one billion, two hundred twenty million, three hundred fourteen thousand, two hundred twenty-five".