4467118221 has 8 divisors (see below), whose sum is σ = 6617952960. Its totient is φ = 2978078796.

The previous prime is 4467118207. The next prime is 4467118241. The reversal of 4467118221 is 1228117644.

It is a happy number.

It is not a de Polignac number, because 4467118221 - 2⁵ = 4467118189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4467118241) 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, 82724385 + ... + 82724438.

It is an arithmetic number, because the mean of its divisors is an integer number (827244120).

Almost surely, 2^4467118221 is an apocalyptic number.

It is an amenable number.

4467118221 is a deficient number, since it is larger than the sum of its proper divisors (2150834739).

4467118221 is a wasteful number, since it uses less digits than its factorization.

4467118221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165448832 (or 165448826 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 4467118221 is about 66836.5036563104. The cubic root of 4467118221 is about 1646.9325588424.

The spelling of 4467118221 in words is "four billion, four hundred sixty-seven million, one hundred eighteen thousand, two hundred twenty-one".