1156443022 has 16 divisors (see below), whose sum is σ = 2022933600. Its totient is φ = 495618144.

The previous prime is 1156443019. The next prime is 1156443023. The reversal of 1156443022 is 2203446511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156443023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842203 + ... + 843574.

It is an arithmetic number, because the mean of its divisors is an integer number (126433350).

Almost surely, 2^1156443022 is an apocalyptic number.

1156443022 is a deficient number, since it is larger than the sum of its proper divisors (866490578).

1156443022 is an equidigital number, since it uses as much as digits as its factorization.

1156443022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685800 (or 1685786 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1156443022 is about 34006.5144053312. The cubic root of 1156443022 is about 1049.6425153411.

Adding to 1156443022 its reverse (2203446511), we get a palindrome (3359889533).

The spelling of 1156443022 in words is "one billion, one hundred fifty-six million, four hundred forty-three thousand, twenty-two".