1422245225 has 6 divisors (see below), whose sum is σ = 1763584110. Its totient is φ = 1137796160.

The previous prime is 1422245221. The next prime is 1422245287. The reversal of 1422245225 is 5225422241.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 148254976 + 1273990249 = 12176^2 + 35693^2 .

It is not a de Polignac number, because 1422245225 - 2² = 1422245221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422245221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28444880 + ... + 28444929.

It is an arithmetic number, because the mean of its divisors is an integer number (293930685).

Almost surely, 2^1422245225 is an apocalyptic number.

It is an amenable number.

1422245225 is a deficient number, since it is larger than the sum of its proper divisors (341338885).

1422245225 is an equidigital number, since it uses as much as digits as its factorization.

1422245225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56889819 (or 56889814 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 1422245225 is about 37712.6666386772. Note that the first 4 decimals coincide. The cubic root of 1422245225 is about 1124.5829499407.

Adding to 1422245225 its reverse (5225422241), we get a palindrome (6647667466).

The spelling of 1422245225 in words is "one billion, four hundred twenty-two million, two hundred forty-five thousand, two hundred twenty-five".