221441133 has 8 divisors (see below), whose sum is σ = 312622848. Its totient is φ = 138943424.

The previous prime is 221441131. The next prime is 221441141. The reversal of 221441133 is 331144122.

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 221441133 - 2¹ = 221441131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221441131) 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, 2170941 + ... + 2171042.

It is an arithmetic number, because the mean of its divisors is an integer number (39077856).

Almost surely, 2^221441133 is an apocalyptic number.

It is an amenable number.

221441133 is a deficient number, since it is larger than the sum of its proper divisors (91181715).

221441133 is a wasteful number, since it uses less digits than its factorization.

221441133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342003.

The product of its digits is 576, while the sum is 21.

The square root of 221441133 is about 14880.8982591778. The cubic root of 221441133 is about 604.9963645252.

Adding to 221441133 its reverse (331144122), we get a palindrome (552585255).

The spelling of 221441133 in words is "two hundred twenty-one million, four hundred forty-one thousand, one hundred thirty-three".