422142413321 has 2 divisors, whose sum is σ = 422142413322. Its totient is φ = 422142413320.

The previous prime is 422142413309. The next prime is 422142413351. The reversal of 422142413321 is 123314241224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362735175625 + 59407237696 = 602275^2 + 243736^2 .

It is a cyclic number.

It is not a de Polignac number, because 422142413321 - 2¹⁰ = 422142412297 is a prime.

It is not a weakly prime, because it can be changed into another prime (422142413351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211071206660 + 211071206661.

It is an arithmetic number, because the mean of its divisors is an integer number (211071206661).

Almost surely, 2^422142413321 is an apocalyptic number.

It is an amenable number.

422142413321 is a deficient number, since it is larger than the sum of its proper divisors (1).

422142413321 is an equidigital number, since it uses as much as digits as its factorization.

422142413321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

Adding to 422142413321 its reverse (123314241224), we get a palindrome (545456654545).

The spelling of 422142413321 in words is "four hundred twenty-two billion, one hundred forty-two million, four hundred thirteen thousand, three hundred twenty-one".