201775222 has 8 divisors (see below), whose sum is σ = 330177672. Its totient is φ = 91716000.

The previous prime is 201775219. The next prime is 201775253. The reversal of 201775222 is 222577102.

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

It is a congruent number.

It is an unprimeable number.

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, 4585779 + ... + 4585822.

It is an arithmetic number, because the mean of its divisors is an integer number (41272209).

Almost surely, 2^201775222 is an apocalyptic number.

201775222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201775222 is a deficient number, since it is larger than the sum of its proper divisors (128402450).

201775222 is a wasteful number, since it uses less digits than its factorization.

201775222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171614.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 201775222 is about 14204.7605400443. The cubic root of 201775222 is about 586.5287136176.

The spelling of 201775222 in words is "two hundred one million, seven hundred seventy-five thousand, two hundred twenty-two".