422422440413 has 2 divisors, whose sum is σ = 422422440414. Its totient is φ = 422422440412.

The previous prime is 422422440371. The next prime is 422422440431. The reversal of 422422440413 is 314044224224.

Together with next prime (422422440431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215850372409 + 206572068004 = 464597^2 + 454502^2 .

It is a cyclic number.

It is not a de Polignac number, because 422422440413 - 2¹⁰ = 422422439389 is a prime.

It is a super-2 number, since 2×422422440413² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422422440413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422422440443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211211220206 + 211211220207.

It is an arithmetic number, because the mean of its divisors is an integer number (211211220207).

Almost surely, 2^422422440413 is an apocalyptic number.

It is an amenable number.

422422440413 is a deficient number, since it is larger than the sum of its proper divisors (1).

422422440413 is an equidigital number, since it uses as much as digits as its factorization.

422422440413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 422422440413 its reverse (314044224224), we get a palindrome (736466664637).

The spelling of 422422440413 in words is "four hundred twenty-two billion, four hundred twenty-two million, four hundred forty thousand, four hundred thirteen".