422061181 has 4 divisors (see below), whose sum is σ = 422107452. Its totient is φ = 422014912.

The previous prime is 422061169. The next prime is 422061191. The reversal of 422061181 is 181160224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 238702500 + 183358681 = 15450^2 + 13541^2 .

It is a cyclic number.

It is not a de Polignac number, because 422061181 - 2⁵ = 422061149 is a prime.

It is a super-2 number, since 2×422061181² = 356271281014229522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422061151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390 + ... + 29383.

It is an arithmetic number, because the mean of its divisors is an integer number (105526863).

Almost surely, 2^422061181 is an apocalyptic number.

It is an amenable number.

422061181 is a deficient number, since it is larger than the sum of its proper divisors (46271).

422061181 is a wasteful number, since it uses less digits than its factorization.

422061181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46270.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 422061181 is about 20544.1276524461. The cubic root of 422061181 is about 750.1103132553.

The spelling of 422061181 in words is "four hundred twenty-two million, sixty-one thousand, one hundred eighty-one".