221122133 has 8 divisors (see below), whose sum is σ = 236577120. Its totient is φ = 206048880.

The previous prime is 221122127. The next prime is 221122141. The reversal of 221122133 is 331221122.

221122133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221122133 - 2²² = 216927829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221122103) 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, 94235 + ... + 96552.

It is an arithmetic number, because the mean of its divisors is an integer number (29572140).

Almost surely, 2^221122133 is an apocalyptic number.

It is an amenable number.

221122133 is a deficient number, since it is larger than the sum of its proper divisors (15454987).

221122133 is a wasteful number, since it uses less digits than its factorization.

221122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190867.

The product of its digits is 144, while the sum is 17.

The square root of 221122133 is about 14870.1759572643. The cubic root of 221122133 is about 604.7057130321.

Adding to 221122133 its reverse (331221122), we get a palindrome (552343255).

The spelling of 221122133 in words is "two hundred twenty-one million, one hundred twenty-two thousand, one hundred thirty-three".