204161422 has 16 divisors (see below), whose sum is σ = 322732800. Its totient is φ = 96596280.

The previous prime is 204161411. The next prime is 204161431. The reversal of 204161422 is 224161402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204161393 and 204161402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36897 + ... + 42067.

It is an arithmetic number, because the mean of its divisors is an integer number (20170800).

Almost surely, 2^204161422 is an apocalyptic number.

204161422 is a deficient number, since it is larger than the sum of its proper divisors (118571378).

204161422 is a wasteful number, since it uses less digits than its factorization.

204161422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 204161422 is about 14288.5066399537. The cubic root of 204161422 is about 588.8317609205.

The spelling of 204161422 in words is "two hundred four million, one hundred sixty-one thousand, four hundred twenty-two".