122230221 has 16 divisors (see below), whose sum is σ = 176235264. Its totient is φ = 75060224.

The previous prime is 122230219. The next prime is 122230231. The reversal of 122230221 is 122032221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122230221 - 2¹ = 122230219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122230201) 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, 23100 + ... + 27893.

It is an arithmetic number, because the mean of its divisors is an integer number (11014704).

Almost surely, 2^122230221 is an apocalyptic number.

It is an amenable number.

122230221 is a deficient number, since it is larger than the sum of its proper divisors (54005043).

122230221 is a wasteful number, since it uses less digits than its factorization.

122230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51060.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122230221 is about 11055.7777202692. Note that the first 4 decimals coincide. The cubic root of 122230221 is about 496.2793434376.

Adding to 122230221 its reverse (122032221), we get a palindrome (244262442).

The spelling of 122230221 in words is "one hundred twenty-two million, two hundred thirty thousand, two hundred twenty-one".