222022111 has 8 divisors (see below), whose sum is σ = 225244800. Its totient is φ = 218820888.

The previous prime is 222022103. The next prime is 222022147. The reversal of 222022111 is 111220222.

It is a happy number.

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 222022111 - 2³ = 222022103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222022091 and 222022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16080 + ... + 26506.

It is an arithmetic number, because the mean of its divisors is an integer number (28155600).

Almost surely, 2^222022111 is an apocalyptic number.

222022111 is a deficient number, since it is larger than the sum of its proper divisors (3222689).

222022111 is a wasteful number, since it uses less digits than its factorization.

222022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 222022111 is about 14900.4064038536. The cubic root of 222022111 is about 605.5249965644.

Adding to 222022111 its reverse (111220222), we get a palindrome (333242333).

The spelling of 222022111 in words is "two hundred twenty-two million, twenty-two thousand, one hundred eleven".