201849222 has 32 divisors (see below), whose sum is σ = 418406400. Its totient is φ = 64840608.

The previous prime is 201849199. The next prime is 201849229. The reversal of 201849222 is 222948102.

201849222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201849222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201849229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157179 + ... + 158457.

It is an arithmetic number, because the mean of its divisors is an integer number (13075200).

Almost surely, 2^201849222 is an apocalyptic number.

201849222 is an abundant number, since it is smaller than the sum of its proper divisors (216557178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201849222 is a wasteful number, since it uses less digits than its factorization.

201849222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 201849222 is about 14207.3650618262. The cubic root of 201849222 is about 586.6004069595.

The spelling of 201849222 in words is "two hundred one million, eight hundred forty-nine thousand, two hundred twenty-two".