222500213 has 8 divisors (see below), whose sum is σ = 239741208. Its totient is φ = 205277184.

The previous prime is 222500207. The next prime is 222500221. The reversal of 222500213 is 312005222.

222500213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66699889 + 155800324 = 8167^2 + 12482^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 222500213 - 2⁴ = 222500197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222500191 and 222500200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222500263) 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, 32681 + ... + 38897.

It is an arithmetic number, because the mean of its divisors is an integer number (29967651).

Almost surely, 2^222500213 is an apocalyptic number.

It is an amenable number.

222500213 is a deficient number, since it is larger than the sum of its proper divisors (17240995).

222500213 is a wasteful number, since it uses less digits than its factorization.

222500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 222500213 is about 14916.4410299508. The cubic root of 222500213 is about 605.9593304152.

Adding to 222500213 its reverse (312005222), we get a palindrome (534505435).

The spelling of 222500213 in words is "two hundred twenty-two million, five hundred thousand, two hundred thirteen".