1158944922 has 40 divisors (see below), whose sum is σ = 2686454100. Its totient is φ = 372992256.

The previous prime is 1158944873. The next prime is 1158944923. The reversal of 1158944922 is 2294498511.

It is a happy number.

1158944922 is a `hidden beast` number, since 1 + 1 + 589 + 4 + 49 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1084450761 + 74494161 = 32931^2 + 8631^2 .

It is not an unprimeable number, because it can be changed into a prime (1158944923) 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 19 ways as a sum of consecutive naturals, for example, 118647 + ... + 128042.

Almost surely, 2^1158944922 is an apocalyptic number.

1158944922 is an abundant number, since it is smaller than the sum of its proper divisors (1527509178).

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

1158944922 is a wasteful number, since it uses less digits than its factorization.

1158944922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246732 (or 246723 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1158944922 is about 34043.2801298582. The cubic root of 1158944922 is about 1050.3989178110.

The spelling of 1158944922 in words is "one billion, one hundred fifty-eight million, nine hundred forty-four thousand, nine hundred twenty-two".