422041161 has 16 divisors (see below), whose sum is σ = 586526720. Its totient is φ = 269634960.

The previous prime is 422041157. The next prime is 422041171. The reversal of 422041161 is 161140224.

It is a happy number.

It is not a de Polignac number, because 422041161 - 2² = 422041157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422041141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12451 + ... + 31608.

It is an arithmetic number, because the mean of its divisors is an integer number (36657920).

Almost surely, 2^422041161 is an apocalyptic number.

It is an amenable number.

422041161 is a deficient number, since it is larger than the sum of its proper divisors (164485559).

422041161 is a wasteful number, since it uses less digits than its factorization.

422041161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44196.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 422041161 is about 20543.6404028108. The cubic root of 422041161 is about 750.0984528533.

Adding to 422041161 its reverse (161140224), we get a palindrome (583181385).

It can be divided in two parts, 42204 and 1161, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 422041161 in words is "four hundred twenty-two million, forty-one thousand, one hundred sixty-one".