221836096 has 28 divisors (see below), whose sum is σ = 463377280. Its totient is φ = 105079680.

The previous prime is 221836091. The next prime is 221836103. The reversal of 221836096 is 690638122.

221836096 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221836096² = 98422506977042432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221836091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90000 + ... + 92431.

Almost surely, 2^221836096 is an apocalyptic number.

It is an amenable number.

221836096 is an abundant number, since it is smaller than the sum of its proper divisors (241541184).

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

221836096 is a wasteful number, since it uses less digits than its factorization.

221836096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182462 (or 182452 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 221836096 is about 14894.1631520539. The cubic root of 221836096 is about 605.3558419355.

The spelling of 221836096 in words is "two hundred twenty-one million, eight hundred thirty-six thousand, ninety-six".