1225422244 has 24 divisors (see below), whose sum is σ = 2242296000. Its totient is φ = 584875104.

The previous prime is 1225422223. The next prime is 1225422257. The reversal of 1225422244 is 4422245221.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 32562 + ... + 59254.

It is an arithmetic number, because the mean of its divisors is an integer number (93429000).

Almost surely, 2^1225422244 is an apocalyptic number.

It is an amenable number.

1225422244 is a deficient number, since it is larger than the sum of its proper divisors (1016873756).

1225422244 is a wasteful number, since it uses less digits than its factorization.

1225422244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27219 (or 27217 counting only the distinct ones).

The product of its digits is 10240, while the sum is 28.

The square root of 1225422244 is about 35006.0315374365. The cubic root of 1225422244 is about 1070.1104040737.

Adding to 1225422244 its reverse (4422245221), we get a palindrome (5647667465).

The spelling of 1225422244 in words is "one billion, two hundred twenty-five million, four hundred twenty-two thousand, two hundred forty-four".