1345222443 has 8 divisors (see below), whose sum is σ = 1794240000. Its totient is φ = 896509928.

The previous prime is 1345222441. The next prime is 1345222469. The reversal of 1345222443 is 3442225431.

1345222443 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345222443 - 2¹ = 1345222441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1345222443.

It is not an unprimeable number, because it can be changed into a prime (1345222441) 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, 65763 + ... + 83756.

It is an arithmetic number, because the mean of its divisors is an integer number (224280000).

Almost surely, 2^1345222443 is an apocalyptic number.

1345222443 is a deficient number, since it is larger than the sum of its proper divisors (449017557).

1345222443 is a wasteful number, since it uses less digits than its factorization.

1345222443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152521.

The product of its digits is 23040, while the sum is 30.

The square root of 1345222443 is about 36677.2742035174. The cubic root of 1345222443 is about 1103.9041552283.

Adding to 1345222443 its reverse (3442225431), we get a palindrome (4787447874).

The spelling of 1345222443 in words is "one billion, three hundred forty-five million, two hundred twenty-two thousand, four hundred forty-three".