1225946122 has 4 divisors (see below), whose sum is σ = 1838919186. Its totient is φ = 612973060.

The previous prime is 1225946107. The next prime is 1225946147. The reversal of 1225946122 is 2216495221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2216495221 = 34939 ⋅63439.

It can be written as a sum of positive squares in only one way, i.e., 1112289201 + 113656921 = 33351^2 + 10661^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306486529 + ... + 306486532.

Almost surely, 2^1225946122 is an apocalyptic number.

1225946122 is a deficient number, since it is larger than the sum of its proper divisors (612973064).

1225946122 is an equidigital number, since it uses as much as digits as its factorization.

1225946122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612973063.

The product of its digits is 17280, while the sum is 34.

The square root of 1225946122 is about 35013.5134198212. The cubic root of 1225946122 is about 1070.2628759888.

The spelling of 1225946122 in words is "one billion, two hundred twenty-five million, nine hundred forty-six thousand, one hundred twenty-two".