222213111 has 8 divisors (see below), whose sum is σ = 296786160. Its totient is φ = 147891072.

The previous prime is 222213107. The next prime is 222213119. The reversal of 222213111 is 111312222.

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

It is not a de Polignac number, because 222213111 - 2² = 222213107 is a prime.

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, 60676 + ... + 64233.

It is an arithmetic number, because the mean of its divisors is an integer number (37098270).

Almost surely, 2^222213111 is an apocalyptic number.

222213111 is a deficient number, since it is larger than the sum of its proper divisors (74573049).

222213111 is a wasteful number, since it uses less digits than its factorization.

222213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125505.

The product of its digits is 48, while the sum is 15.

The square root of 222213111 is about 14906.8142471824. The cubic root of 222213111 is about 605.6985860695.

Adding to 222213111 its reverse (111312222), we get a palindrome (333525333).

The spelling of 222213111 in words is "two hundred twenty-two million, two hundred thirteen thousand, one hundred eleven".