201055222 has 4 divisors (see below), whose sum is σ = 301582836. Its totient is φ = 100527610.

The previous prime is 201055201. The next prime is 201055223. The reversal of 201055222 is 222550102.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201055222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201055223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50263804 + ... + 50263807.

It is an arithmetic number, because the mean of its divisors is an integer number (75395709).

Almost surely, 2^201055222 is an apocalyptic number.

201055222 is a deficient number, since it is larger than the sum of its proper divisors (100527614).

201055222 is a wasteful number, since it uses less digits than its factorization.

201055222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100527613.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 201055222 is about 14179.3942747919. The cubic root of 201055222 is about 585.8302400553.

The spelling of 201055222 in words is "two hundred one million, fifty-five thousand, two hundred twenty-two".