1166224225 has 24 divisors (see below), whose sum is σ = 1542945888. Its totient is φ = 871353600.

The previous prime is 1166224217. The next prime is 1166224231. The reversal of 1166224225 is 5224226611.

It is not a de Polignac number, because 1166224225 - 2³ = 1166224217 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 45202 + ... + 66148.

It is an arithmetic number, because the mean of its divisors is an integer number (64289412).

Almost surely, 2^1166224225 is an apocalyptic number.

It is an amenable number.

1166224225 is a deficient number, since it is larger than the sum of its proper divisors (376721663).

1166224225 is a wasteful number, since it uses less digits than its factorization.

1166224225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105 (or 21100 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 1166224225 is about 34150.0252562132. The cubic root of 1166224225 is about 1052.5935056087.

The spelling of 1166224225 in words is "one billion, one hundred sixty-six million, two hundred twenty-four thousand, two hundred twenty-five".