1222497125 has 8 divisors (see below), whose sum is σ = 1525676568. Its totient is φ = 977997600.

The previous prime is 1222497103. The next prime is 1222497179. The reversal of 1222497125 is 5217942221.

It can be written as a sum of positive squares in 4 ways, for example, as 4068289 + 1218428836 = 2017^2 + 34906^2 .

It is not a de Polignac number, because 1222497125 - 2¹⁰ = 1222496101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4889864 + ... + 4890113.

It is an arithmetic number, because the mean of its divisors is an integer number (190709571).

Almost surely, 2^1222497125 is an apocalyptic number.

It is an amenable number.

1222497125 is a deficient number, since it is larger than the sum of its proper divisors (303179443).

1222497125 is an frugal number, since it uses more digits than its factorization.

1222497125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9779992 (or 9779982 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 1222497125 is about 34964.2263606676. The cubic root of 1222497125 is about 1069.2582639983.

The spelling of 1222497125 in words is "one billion, two hundred twenty-two million, four hundred ninety-seven thousand, one hundred twenty-five".