422190243289 has 2 divisors, whose sum is σ = 422190243290. Its totient is φ = 422190243288.

The previous prime is 422190243253. The next prime is 422190243313. The reversal of 422190243289 is 982342091224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404801337600 + 17388905689 = 636240^2 + 131867^2 .

It is a cyclic number.

It is not a de Polignac number, because 422190243289 - 2¹⁵ = 422190210521 is a prime.

It is not a weakly prime, because it can be changed into another prime (422190243229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211095121644 + 211095121645.

It is an arithmetic number, because the mean of its divisors is an integer number (211095121645).

Almost surely, 2^422190243289 is an apocalyptic number.

It is an amenable number.

422190243289 is a deficient number, since it is larger than the sum of its proper divisors (1).

422190243289 is an equidigital number, since it uses as much as digits as its factorization.

422190243289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 422190243289 in words is "four hundred twenty-two billion, one hundred ninety million, two hundred forty-three thousand, two hundred eighty-nine".