201522106 has 8 divisors (see below), whose sum is σ = 302350464. Its totient is φ = 100738620.

The previous prime is 201522089. The next prime is 201522109. The reversal of 201522106 is 601225102.

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

It is a super-2 number, since 2×201522106² = 81222318413350472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201522109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4311 + ... + 20533.

It is an arithmetic number, because the mean of its divisors is an integer number (37793808).

Almost surely, 2^201522106 is an apocalyptic number.

201522106 is a deficient number, since it is larger than the sum of its proper divisors (100828358).

201522106 is a wasteful number, since it uses less digits than its factorization.

201522106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22436.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 201522106 is about 14195.8481958635. The cubic root of 201522106 is about 586.2833549094.

Adding to 201522106 its reverse (601225102), we get a palindrome (802747208).

The spelling of 201522106 in words is "two hundred one million, five hundred twenty-two thousand, one hundred six".