1422401443 has 4 divisors (see below), whose sum is σ = 1484245008. Its totient is φ = 1360557880.

The previous prime is 1422401437. The next prime is 1422401447. The reversal of 1422401443 is 3441042241.

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-1422401443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422401447) 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, 30921748 + ... + 30921793.

It is an arithmetic number, because the mean of its divisors is an integer number (371061252).

Almost surely, 2^1422401443 is an apocalyptic number.

1422401443 is a deficient number, since it is larger than the sum of its proper divisors (61843565).

1422401443 is an equidigital number, since it uses as much as digits as its factorization.

1422401443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61843564.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1422401443 is about 37714.7377426915. The cubic root of 1422401443 is about 1124.6241227906.

Adding to 1422401443 its reverse (3441042241), we get a palindrome (4863443684).

The spelling of 1422401443 in words is "one billion, four hundred twenty-two million, four hundred one thousand, four hundred forty-three".