201889022 has 8 divisors (see below), whose sum is σ = 318772200. Its totient is φ = 95631624.

The previous prime is 201888989. The next prime is 201889027. The reversal of 201889022 is 220988102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201889022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201889027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656397 + ... + 2656472.

It is an arithmetic number, because the mean of its divisors is an integer number (39846525).

Almost surely, 2^201889022 is an apocalyptic number.

201889022 is a deficient number, since it is larger than the sum of its proper divisors (116883178).

201889022 is a wasteful number, since it uses less digits than its factorization.

201889022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312890.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 201889022 is about 14208.7656747516. The cubic root of 201889022 is about 586.6389591052.

The spelling of 201889022 in words is "two hundred one million, eight hundred eighty-nine thousand, twenty-two".