422444143411 has 4 divisors (see below), whose sum is σ = 426182587272. Its totient is φ = 418705699552.

The previous prime is 422444143391. The next prime is 422444143439. The reversal of 422444143411 is 114341444224.

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-422444143411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422444143481) 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, 1869221761 + ... + 1869221986.

It is an arithmetic number, because the mean of its divisors is an integer number (106545646818).

Almost surely, 2^422444143411 is an apocalyptic number.

422444143411 is a deficient number, since it is larger than the sum of its proper divisors (3738443861).

422444143411 is a wasteful number, since it uses less digits than its factorization.

422444143411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738443860.

The product of its digits is 49152, while the sum is 34.

Adding to 422444143411 its reverse (114341444224), we get a palindrome (536785587635).

The spelling of 422444143411 in words is "four hundred twenty-two billion, four hundred forty-four million, one hundred forty-three thousand, four hundred eleven".