442102222469 has 2 divisors, whose sum is σ = 442102222470. Its totient is φ = 442102222468.

The previous prime is 442102222433. The next prime is 442102222477. The reversal of 442102222469 is 964222201244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247718230369 + 194383992100 = 497713^2 + 440890^2 .

It is a cyclic number.

It is not a de Polignac number, because 442102222469 - 2⁸ = 442102222213 is a prime.

It is a super-2 number, since 2×442102222469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442102222489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221051111234 + 221051111235.

It is an arithmetic number, because the mean of its divisors is an integer number (221051111235).

Almost surely, 2^442102222469 is an apocalyptic number.

It is an amenable number.

442102222469 is a deficient number, since it is larger than the sum of its proper divisors (1).

442102222469 is an equidigital number, since it uses as much as digits as its factorization.

442102222469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 442102222469 in words is "four hundred forty-two billion, one hundred two million, two hundred twenty-two thousand, four hundred sixty-nine".