1166022425 has 12 divisors (see below), whose sum is σ = 1446326700. Its totient is φ = 932521920.

The previous prime is 1166022409. The next prime is 1166022427. The reversal of 1166022425 is 5242206611.

It can be written as a sum of positive squares in 6 ways, for example, as 64048009 + 1101974416 = 8003^2 + 33196^2 .

It is not a de Polignac number, because 1166022425 - 2⁴ = 1166022409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166022427) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 108599 + ... + 118851.

It is an arithmetic number, because the mean of its divisors is an integer number (120527225).

Almost surely, 2^1166022425 is an apocalyptic number.

It is an amenable number.

1166022425 is a deficient number, since it is larger than the sum of its proper divisors (280304275).

1166022425 is a wasteful number, since it uses less digits than its factorization.

1166022425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14812 (or 14807 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1166022425 is about 34147.0705185672. The cubic root of 1166022425 is about 1052.5327895480.

The spelling of 1166022425 in words is "one billion, one hundred sixty-six million, twenty-two thousand, four hundred twenty-five".