221414133 has 16 divisors (see below), whose sum is σ = 302641920. Its totient is φ = 143921856.

The previous prime is 221414129. The next prime is 221414143. The reversal of 221414133 is 331414122.

221414133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221414133 - 2² = 221414129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221414143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36223 + ... + 41891.

It is an arithmetic number, because the mean of its divisors is an integer number (18915120).

Almost surely, 2^221414133 is an apocalyptic number.

It is an amenable number.

221414133 is a deficient number, since it is larger than the sum of its proper divisors (81227787).

221414133 is a wasteful number, since it uses less digits than its factorization.

221414133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996.

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

The square root of 221414133 is about 14879.9910282231. The cubic root of 221414133 is about 604.9717747459.

Adding to 221414133 its reverse (331414122), we get a palindrome (552828255).

The spelling of 221414133 in words is "two hundred twenty-one million, four hundred fourteen thousand, one hundred thirty-three".