222213101 has 4 divisors (see below), whose sum is σ = 242414304. Its totient is φ = 202011900.

The previous prime is 222213091. The next prime is 222213107. The reversal of 222213101 is 101312222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222213101 - 2¹⁴ = 222196717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222213107) 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 3 ways as a sum of consecutive naturals, for example, 10100585 + ... + 10100606.

It is an arithmetic number, because the mean of its divisors is an integer number (60603576).

Almost surely, 2^222213101 is an apocalyptic number.

It is an amenable number.

222213101 is a deficient number, since it is larger than the sum of its proper divisors (20201203).

222213101 is a wasteful number, since it uses less digits than its factorization.

222213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201202.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 222213101 is about 14906.8139117653. The cubic root of 222213101 is about 605.6985769836.

Adding to 222213101 its reverse (101312222), we get a palindrome (323525323).

The spelling of 222213101 in words is "two hundred twenty-two million, two hundred thirteen thousand, one hundred one".