200191922 has 16 divisors (see below), whose sum is σ = 343372992. Its totient is φ = 85749840.

The previous prime is 200191919. The next prime is 200191939. The reversal of 200191922 is 229191002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200191891 and 200191900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39188 + ... + 44000.

It is an arithmetic number, because the mean of its divisors is an integer number (21460812).

Almost surely, 2^200191922 is an apocalyptic number.

200191922 is a deficient number, since it is larger than the sum of its proper divisors (143181070).

200191922 is a wasteful number, since it uses less digits than its factorization.

200191922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 200191922 is about 14148.9194640439. The cubic root of 200191922 is about 584.9905489500.

The spelling of 200191922 in words is "two hundred million, one hundred ninety-one thousand, nine hundred twenty-two".