1115022443 has 4 divisors (see below), whose sum is σ = 1115126688. Its totient is φ = 1114918200.

The previous prime is 1115022383. The next prime is 1115022449. The reversal of 1115022443 is 3442205111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3442205111 = 10993 ⋅313127.

It is a cyclic number.

It is not a de Polignac number, because 1115022443 - 2¹⁴ = 1115006059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115022449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33971 + ... + 58172.

It is an arithmetic number, because the mean of its divisors is an integer number (278781672).

Almost surely, 2^1115022443 is an apocalyptic number.

1115022443 is a deficient number, since it is larger than the sum of its proper divisors (104245).

1115022443 is an equidigital number, since it uses as much as digits as its factorization.

1115022443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104244.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1115022443 is about 33391.9517698502. The cubic root of 1115022443 is about 1036.9580871109.

Adding to 1115022443 its reverse (3442205111), we get a palindrome (4557227554).

The spelling of 1115022443 in words is "one billion, one hundred fifteen million, twenty-two thousand, four hundred forty-three".