422334554621161 has 12 divisors (see below), whose sum is σ = 529078453042692. Its totient is φ = 334154812447008.

The previous prime is 422334554621093. The next prime is 422334554621167. The reversal of 422334554621161 is 161126455433224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73520661187561 + 348813893433600 = 8574419^2 + 18676560^2 .

It is not a de Polignac number, because 422334554621161 - 2¹³ = 422334554612969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (422334554621167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331502789490 + ... + 331502790763.

It is an arithmetic number, because the mean of its divisors is an integer number (44089871086891).

Almost surely, 2^{422334554621161} is an apocalyptic number.

It is an amenable number.

422334554621161 is a deficient number, since it is larger than the sum of its proper divisors (106743898421531).

422334554621161 is a wasteful number, since it uses less digits than its factorization.

422334554621161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663005580280 (or 663005580273 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 49.

The spelling of 422334554621161 in words is "four hundred twenty-two trillion, three hundred thirty-four billion, five hundred fifty-four million, six hundred twenty-one thousand, one hundred sixty-one".