222641121 has 8 divisors (see below), whose sum is σ = 296973184. Its totient is φ = 148368240.

The previous prime is 222641117. The next prime is 222641123. The reversal of 222641121 is 121146222.

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

It is not a de Polignac number, because 222641121 - 2² = 222641117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222641123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5110 + ... + 21711.

It is an arithmetic number, because the mean of its divisors is an integer number (37121648).

Almost surely, 2^222641121 is an apocalyptic number.

It is an amenable number.

222641121 is a deficient number, since it is larger than the sum of its proper divisors (74332063).

222641121 is a wasteful number, since it uses less digits than its factorization.

222641121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29591.

The product of its digits is 384, while the sum is 21.

The square root of 222641121 is about 14921.1635270176. The cubic root of 222641121 is about 606.0872201792.

Adding to 222641121 its reverse (121146222), we get a palindrome (343787343).

The spelling of 222641121 in words is "two hundred twenty-two million, six hundred forty-one thousand, one hundred twenty-one".