201001222 has 8 divisors (see below), whose sum is σ = 306444672. Its totient is φ = 98853000.

The previous prime is 201001219. The next prime is 201001243. The reversal of 201001222 is 222100102.

201001222 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 201001199 and 201001208.

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, 823654 + ... + 823897.

It is an arithmetic number, because the mean of its divisors is an integer number (38305584).

Almost surely, 2^201001222 is an apocalyptic number.

201001222 is a deficient number, since it is larger than the sum of its proper divisors (105443450).

201001222 is a wasteful number, since it uses less digits than its factorization.

201001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647614.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 201001222 is about 14177.4899753095. The cubic root of 201001222 is about 585.7777873589. Note that the first 4 decimals are identical.

Adding to 201001222 its reverse (222100102), we get a palindrome (423101324).

The spelling of 201001222 in words is "two hundred one million, one thousand, two hundred twenty-two".