1166455422 has 48 divisors (see below), whose sum is σ = 2759702400. Its totient is φ = 353134800.

The previous prime is 1166455399. The next prime is 1166455427. The reversal of 1166455422 is 2245546611.

1166455422 is a `hidden beast` number, since 1 + 1 + 6 + 645 + 5 + 4 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166455427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274897 + ... + 279107.

It is an arithmetic number, because the mean of its divisors is an integer number (57493800).

Almost surely, 2^1166455422 is an apocalyptic number.

1166455422 is an abundant number, since it is smaller than the sum of its proper divisors (1593246978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1166455422 is a wasteful number, since it uses less digits than its factorization.

1166455422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629 (or 5626 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1166455422 is about 34153.4101079233. The cubic root of 1166455422 is about 1052.6630578085.

The spelling of 1166455422 in words is "one billion, one hundred sixty-six million, four hundred fifty-five thousand, four hundred twenty-two".