161341222 has 24 divisors (see below), whose sum is σ = 286844976. Its totient is φ = 67839408.

The previous prime is 161341211. The next prime is 161341231. The reversal of 161341222 is 222143161.

It is a junction number, because it is equal to n+sod(n) for n = 161341193 and 161341202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10338 + ... + 20725.

It is an arithmetic number, because the mean of its divisors is an integer number (11951874).

Almost surely, 2^161341222 is an apocalyptic number.

161341222 is a deficient number, since it is larger than the sum of its proper divisors (125503754).

161341222 is a wasteful number, since it uses less digits than its factorization.

161341222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31132 (or 31125 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 161341222 is about 12702.0164540911. The cubic root of 161341222 is about 544.3962362455.

Adding to 161341222 its reverse (222143161), we get a palindrome (383484383).

The spelling of 161341222 in words is "one hundred sixty-one million, three hundred forty-one thousand, two hundred twenty-two".