122215606 has 8 divisors (see below), whose sum is σ = 191294064. Its totient is φ = 58450920.

The previous prime is 122215603. The next prime is 122215661. The reversal of 122215606 is 606512221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122215603) 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, 1328385 + ... + 1328476.

It is an arithmetic number, because the mean of its divisors is an integer number (23911758).

Almost surely, 2^122215606 is an apocalyptic number.

122215606 is a deficient number, since it is larger than the sum of its proper divisors (69078458).

122215606 is a wasteful number, since it uses less digits than its factorization.

122215606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656886.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 122215606 is about 11055.1167338930. The cubic root of 122215606 is about 496.2595627002.

Adding to 122215606 its reverse (606512221), we get a palindrome (728727827).

The spelling of 122215606 in words is "one hundred twenty-two million, two hundred fifteen thousand, six hundred six".