334116221 has 4 divisors (see below), whose sum is σ = 345637500. Its totient is φ = 322594944.

The previous prime is 334116161. The next prime is 334116247. The reversal of 334116221 is 122611433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122611433 = 7 ⋅17515919.

It can be written as a sum of positive squares in 2 ways, for example, as 88096996 + 246019225 = 9386^2 + 15685^2 .

It is a cyclic number.

It is not a de Polignac number, because 334116221 - 2⁶ = 334116157 is a prime.

It is a super-2 number, since 2×334116221² = 223267298270641682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334116271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5760596 + ... + 5760653.

It is an arithmetic number, because the mean of its divisors is an integer number (86409375).

Almost surely, 2^334116221 is an apocalyptic number.

It is an amenable number.

334116221 is a deficient number, since it is larger than the sum of its proper divisors (11521279).

334116221 is a wasteful number, since it uses less digits than its factorization.

334116221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11521278.

The product of its digits is 864, while the sum is 23.

The square root of 334116221 is about 18278.8462710314. The cubic root of 334116221 is about 693.9036739243.

Adding to 334116221 its reverse (122611433), we get a palindrome (456727654).

The spelling of 334116221 in words is "three hundred thirty-four million, one hundred sixteen thousand, two hundred twenty-one".