9514667221 has 4 divisors (see below), whose sum is σ = 10015439200. Its totient is φ = 9013895244.

The previous prime is 9514667213. The next prime is 9514667251. The reversal of 9514667221 is 1227664159.

9514667221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1227664159 = 8209 ⋅149551.

It is a cyclic number.

It is not a de Polignac number, because 9514667221 - 2³ = 9514667213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9514667251) 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, 250385961 + ... + 250385998.

It is an arithmetic number, because the mean of its divisors is an integer number (2503859800).

Almost surely, 2^9514667221 is an apocalyptic number.

It is an amenable number.

9514667221 is a deficient number, since it is larger than the sum of its proper divisors (500771979).

9514667221 is a wasteful number, since it uses less digits than its factorization.

9514667221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500771978.

The product of its digits is 181440, while the sum is 43.

The square root of 9514667221 is about 97543.1556850608. The cubic root of 9514667221 is about 2119.0011923842.

The spelling of 9514667221 in words is "nine billion, five hundred fourteen million, six hundred sixty-seven thousand, two hundred twenty-one".