4171221333 has 8 divisors (see below), whose sum is σ = 6179587200. Its totient is φ = 2780814204.

The previous prime is 4171221253. The next prime is 4171221367. The reversal of 4171221333 is 3331221714.

It is a happy number.

4171221333 is a `hidden beast` number, since 41 + 71 + 221 + 333 = 666.

It is not a de Polignac number, because 4171221333 - 2¹⁶ = 4171155797 is a prime.

It is a super-3 number, since 3×4171221333³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 154489679 = 4171221333 / (4 + 1 + 7 + 1 + 2 + 2 + 1 + 3 + 3 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 4171221297 and 4171221306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4171223333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77244813 + ... + 77244866.

It is an arithmetic number, because the mean of its divisors is an integer number (772448400).

Almost surely, 2^4171221333 is an apocalyptic number.

It is an amenable number.

4171221333 is a deficient number, since it is larger than the sum of its proper divisors (2008365867).

4171221333 is a wasteful number, since it uses less digits than its factorization.

4171221333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154489688 (or 154489682 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 4171221333 is about 64584.9930943714. The cubic root of 4171221333 is about 1609.7350917617.

The spelling of 4171221333 in words is "four billion, one hundred seventy-one million, two hundred twenty-one thousand, three hundred thirty-three".