1422352443 has 32 divisors (see below), whose sum is σ = 1980647424. Its totient is φ = 907200000.

The previous prime is 1422352439. The next prime is 1422352469. The reversal of 1422352443 is 3442532241.

It is not a de Polignac number, because 1422352443 - 2² = 1422352439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1422352443.

It is not an unprimeable number, because it can be changed into a prime (1422352423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2366343 + ... + 2366943.

It is an arithmetic number, because the mean of its divisors is an integer number (61895232).

Almost surely, 2^1422352443 is an apocalyptic number.

1422352443 is a deficient number, since it is larger than the sum of its proper divisors (558294981).

1422352443 is a wasteful number, since it uses less digits than its factorization.

1422352443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

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

The square root of 1422352443 is about 37714.0881236707. The cubic root of 1422352443 is about 1124.6112086645.

Adding to 1422352443 its reverse (3442532241), we get a palindrome (4864884684).

It can be divided in two parts, 14223 and 52443, that added together give a palindrome (66666).

The spelling of 1422352443 in words is "one billion, four hundred twenty-two million, three hundred fifty-two thousand, four hundred forty-three".