1232222443 has 4 divisors (see below), whose sum is σ = 1232370720. Its totient is φ = 1232074168.

The previous prime is 1232222419. The next prime is 1232222471. The reversal of 1232222443 is 3442222321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232222443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232222483) 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, 60883 + ... + 78556.

It is an arithmetic number, because the mean of its divisors is an integer number (308092680).

Almost surely, 2^1232222443 is an apocalyptic number.

1232222443 is a deficient number, since it is larger than the sum of its proper divisors (148277).

1232222443 is an equidigital number, since it uses as much as digits as its factorization.

1232222443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148276.

The product of its digits is 4608, while the sum is 25.

The square root of 1232222443 is about 35103.0261231137. The cubic root of 1232222443 is about 1072.0861977149.

Adding to 1232222443 its reverse (3442222321), we get a palindrome (4674444764).

The spelling of 1232222443 in words is "one billion, two hundred thirty-two million, two hundred twenty-two thousand, four hundred forty-three".