222013117 has 4 divisors (see below), whose sum is σ = 222292476. Its totient is φ = 221733760.

The previous prime is 222013109. The next prime is 222013151. The reversal of 222013117 is 711310222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124121881 + 97891236 = 11141^2 + 9894^2 .

It is a cyclic number.

It is not a de Polignac number, because 222013117 - 2³ = 222013109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222013094 and 222013103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222016117) 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, 138484 + ... + 140077.

It is an arithmetic number, because the mean of its divisors is an integer number (55573119).

Almost surely, 2^222013117 is an apocalyptic number.

It is an amenable number.

222013117 is a deficient number, since it is larger than the sum of its proper divisors (279359).

222013117 is an equidigital number, since it uses as much as digits as its factorization.

222013117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279358.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 222013117 is about 14900.1045969483. The cubic root of 222013117 is about 605.5168199533.

Adding to 222013117 its reverse (711310222), we get a palindrome (933323339).

The spelling of 222013117 in words is "two hundred twenty-two million, thirteen thousand, one hundred seventeen".