122221205 has 16 divisors (see below), whose sum is σ = 158155200. Its totient is φ = 90368640.

The previous prime is 122221201. The next prime is 122221207. The reversal of 122221205 is 502122221.

It is not a de Polignac number, because 122221205 - 2² = 122221201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11795 + ... + 19584.

It is an arithmetic number, because the mean of its divisors is an integer number (9884700).

Almost surely, 2^122221205 is an apocalyptic number.

It is an amenable number.

122221205 is a deficient number, since it is larger than the sum of its proper divisors (35933995).

122221205 is a wasteful number, since it uses less digits than its factorization.

122221205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31444.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122221205 is about 11055.3699621496. The cubic root of 122221205 is about 496.2671408783.

Adding to 122221205 its reverse (502122221), we get a palindrome (624343426).

The spelling of 122221205 in words is "one hundred twenty-two million, two hundred twenty-one thousand, two hundred five".