221112322 has 8 divisors (see below), whose sum is σ = 331733772. Its totient is φ = 110534400.

The previous prime is 221112313. The next prime is 221112337. The reversal of 221112322 is 223211122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 213773641 + 7338681 = 14621^2 + 2709^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 221112296 and 221112305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9322 + ... + 23002.

Almost surely, 2^221112322 is an apocalyptic number.

221112322 is a deficient number, since it is larger than the sum of its proper divisors (110621450).

221112322 is a wasteful number, since it uses less digits than its factorization.

221112322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21764.

The product of its digits is 96, while the sum is 16.

The square root of 221112322 is about 14869.8460651077. The cubic root of 221112322 is about 604.6967694747.

Adding to 221112322 its reverse (223211122), we get a palindrome (444323444).

The spelling of 221112322 in words is "two hundred twenty-one million, one hundred twelve thousand, three hundred twenty-two".