222141217 has 4 divisors (see below), whose sum is σ = 233832880. Its totient is φ = 210449556.

The previous prime is 222141211. The next prime is 222141251. The reversal of 222141217 is 712141222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222141217 - 2⁷ = 222141089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222141211) 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, 5845803 + ... + 5845840.

It is an arithmetic number, because the mean of its divisors is an integer number (58458220).

Almost surely, 2^222141217 is an apocalyptic number.

It is an amenable number.

222141217 is a deficient number, since it is larger than the sum of its proper divisors (11691663).

222141217 is a wasteful number, since it uses less digits than its factorization.

222141217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691662.

The product of its digits is 448, while the sum is 22.

The square root of 222141217 is about 14904.4026045998. The cubic root of 222141217 is about 605.6332572041.

Adding to 222141217 its reverse (712141222), we get a palindrome (934282439).

The spelling of 222141217 in words is "two hundred twenty-two million, one hundred forty-one thousand, two hundred seventeen".