161054222 has 32 divisors (see below), whose sum is σ = 293932800. Its totient is φ = 64646208.

The previous prime is 161054147. The next prime is 161054237. The reversal of 161054222 is 222450161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20273 + ... + 27075.

It is an arithmetic number, because the mean of its divisors is an integer number (9185400).

Almost surely, 2^161054222 is an apocalyptic number.

161054222 is a deficient number, since it is larger than the sum of its proper divisors (132878578).

161054222 is a wasteful number, since it uses less digits than its factorization.

161054222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6920.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 161054222 is about 12690.7140067058. The cubic root of 161054222 is about 544.0732469675.

The spelling of 161054222 in words is "one hundred sixty-one million, fifty-four thousand, two hundred twenty-two".