222312101 has 8 divisors (see below), whose sum is σ = 242824800. Its totient is φ = 201849840.

The previous prime is 222312071. The next prime is 222312151. The reversal of 222312101 is 101213222.

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 222312101 - 2⁶ = 222312037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222312151) 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, 3071 + ... + 21308.

It is an arithmetic number, because the mean of its divisors is an integer number (30353100).

Almost surely, 2^222312101 is an apocalyptic number.

It is an amenable number.

222312101 is a deficient number, since it is larger than the sum of its proper divisors (20512699).

222312101 is a wasteful number, since it uses less digits than its factorization.

222312101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25219.

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

The square root of 222312101 is about 14910.1341710932. The cubic root of 222312101 is about 605.7885135595.

Adding to 222312101 its reverse (101213222), we get a palindrome (323525323).

The spelling of 222312101 in words is "two hundred twenty-two million, three hundred twelve thousand, one hundred one".