201022222 has 8 divisors (see below), whose sum is σ = 301596696. Its totient is φ = 100489992.

The previous prime is 201022207. The next prime is 201022271. The reversal of 201022222 is 222220102.

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

201022222 is a modest number, since divided by 22222 gives 2010 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7548 + ... + 21424.

It is an arithmetic number, because the mean of its divisors is an integer number (37699587).

Almost surely, 2^201022222 is an apocalyptic number.

201022222 is a deficient number, since it is larger than the sum of its proper divisors (100574474).

201022222 is a wasteful number, since it uses less digits than its factorization.

201022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21122.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 201022222 is about 14178.2305666116. The cubic root of 201022222 is about 585.7981867459.

Adding to 201022222 its reverse (222220102), we get a palindrome (423242324).

It can be divided in two parts, 20102 and 2222, that multiplied together give a palindrome (44666644).

The spelling of 201022222 in words is "two hundred one million, twenty-two thousand, two hundred twenty-two".