9122053221 has 20 divisors (see below), whose sum is σ = 13664772000. Its totient is φ = 6064409736.

The previous prime is 9122053151. The next prime is 9122053229. The reversal of 9122053221 is 1223502219.

It is a happy number.

9122053221 is a `hidden beast` number, since 9 + 122 + 0 + 532 + 2 + 1 = 666.

It is not a de Polignac number, because 9122053221 - 2²⁵ = 9088498789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9122053229) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 127771 + ... + 185928.

It is an arithmetic number, because the mean of its divisors is an integer number (683238600).

Almost surely, 2^9122053221 is an apocalyptic number.

It is an amenable number.

9122053221 is a deficient number, since it is larger than the sum of its proper divisors (4542718779).

9122053221 is a wasteful number, since it uses less digits than its factorization.

9122053221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314070 (or 314061 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 9122053221 is about 95509.4404810331. The cubic root of 9122053221 is about 2089.4446317080. Note that the first 3 decimals are identical.

It can be divided in two parts, 91220 and 53221, that added together give a palindrome (144441).

The spelling of 9122053221 in words is "nine billion, one hundred twenty-two million, fifty-three thousand, two hundred twenty-one".