221113302 has 8 divisors (see below), whose sum is σ = 442226616. Its totient is φ = 73704432.

The previous prime is 221113301. The next prime is 221113303. The reversal of 221113302 is 203311122.

It is an interprime number because it is at equal distance from previous prime (221113301) and next prime (221113303).

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

221113302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221113301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18426103 + ... + 18426114.

It is an arithmetic number, because the mean of its divisors is an integer number (55278327).

Almost surely, 2^221113302 is an apocalyptic number.

221113302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221113302 is a wasteful number, since it uses less digits than its factorization.

221113302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36852222.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 221113302 is about 14869.8790176652. The cubic root of 221113302 is about 604.6976628396.

Adding to 221113302 its reverse (203311122), we get a palindrome (424424424).

The spelling of 221113302 in words is "two hundred twenty-one million, one hundred thirteen thousand, three hundred two".