221113342 has 16 divisors (see below), whose sum is σ = 345623760. Its totient is φ = 105961408.

The previous prime is 221113331. The next prime is 221113363. The reversal of 221113342 is 243311122.

It is a happy number.

It is a super-2 number, since 2×221113342² = 97782220020817928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5968 + ... + 21859.

It is an arithmetic number, because the mean of its divisors is an integer number (21601485).

Almost surely, 2^221113342 is an apocalyptic number.

221113342 is a deficient number, since it is larger than the sum of its proper divisors (124510418).

221113342 is a wasteful number, since it uses less digits than its factorization.

221113342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27995.

The product of its digits is 288, while the sum is 19.

The square root of 221113342 is about 14869.8803626660. The cubic root of 221113342 is about 604.6976993034.

Adding to 221113342 its reverse (243311122), we get a palindrome (464424464).

The spelling of 221113342 in words is "two hundred twenty-one million, one hundred thirteen thousand, three hundred forty-two".