222213117 has 8 divisors (see below), whose sum is σ = 338610496. Its totient is φ = 126978912.

The previous prime is 222213107. The next prime is 222213119. The reversal of 222213117 is 711312222.

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

It is not a de Polignac number, because 222213117 - 2¹⁸ = 221950973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10581577 = 222213117 / (2 + 2 + 2 + 2 + 1 + 3 + 1 + 1 + 7).

It is a junction number, because it is equal to n+sod(n) for n = 222213093 and 222213102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222213119) 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, 5290768 + ... + 5290809.

It is an arithmetic number, because the mean of its divisors is an integer number (42326312).

Almost surely, 2^222213117 is an apocalyptic number.

It is an amenable number.

222213117 is a deficient number, since it is larger than the sum of its proper divisors (116397379).

222213117 is a wasteful number, since it uses less digits than its factorization.

222213117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10581587.

The product of its digits is 336, while the sum is 21.

The square root of 222213117 is about 14906.8144484326. The cubic root of 222213117 is about 605.6985915210.

Adding to 222213117 its reverse (711312222), we get a palindrome (933525339).

The spelling of 222213117 in words is "two hundred twenty-two million, two hundred thirteen thousand, one hundred seventeen".