201223106 has 24 divisors (see below), whose sum is σ = 351606096. Its totient is φ = 86117640.

The previous prime is 201223097. The next prime is 201223109. The reversal of 201223106 is 601322102.

It is not an unprimeable number, because it can be changed into a prime (201223109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127301 + ... + 128871.

It is an arithmetic number, because the mean of its divisors is an integer number (14650254).

Almost surely, 2^201223106 is an apocalyptic number.

201223106 is a deficient number, since it is larger than the sum of its proper divisors (150382990).

201223106 is a wasteful number, since it uses less digits than its factorization.

201223106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2887 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 201223106 is about 14185.3130384916. The cubic root of 201223106 is about 585.9932535809.

Adding to 201223106 its reverse (601322102), we get a palindrome (802545208).

The spelling of 201223106 in words is "two hundred one million, two hundred twenty-three thousand, one hundred six".