9234355221 has 144 divisors (see below), whose sum is σ = 17484090624. Its totient is φ = 4650524928.

The previous prime is 9234355219. The next prime is 9234355259. The reversal of 9234355221 is 1225534329.

9234355221 is a `hidden beast` number, since 92 + 3 + 43 + 5 + 522 + 1 = 666.

It is not a de Polignac number, because 9234355221 - 2¹ = 9234355219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9234355021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11585995 + ... + 11586791.

It is an arithmetic number, because the mean of its divisors is an integer number (121417296).

Almost surely, 2^9234355221 is an apocalyptic number.

9234355221 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9234355221 is a deficient number, since it is larger than the sum of its proper divisors (8249735403).

9234355221 is a wasteful number, since it uses less digits than its factorization.

9234355221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 910 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 9234355221 is about 96095.5525557765. The cubic root of 9234355221 is about 2097.9840987822.

The spelling of 9234355221 in words is "nine billion, two hundred thirty-four million, three hundred fifty-five thousand, two hundred twenty-one".