9220144225 has 24 divisors (see below), whose sum is σ = 12251403360. Its totient is φ = 6858558720.

The previous prime is 9220144187. The next prime is 9220144253. The reversal of 9220144225 is 5224410229.

It is not a de Polignac number, because 9220144225 - 2¹¹ = 9220142177 is a prime.

It is a super-2 number, since 2×9220144225² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 95415 + ... + 165964.

It is an arithmetic number, because the mean of its divisors is an integer number (510475140).

Almost surely, 2^9220144225 is an apocalyptic number.

It is an amenable number.

9220144225 is a deficient number, since it is larger than the sum of its proper divisors (3031259135).

9220144225 is a wasteful number, since it uses less digits than its factorization.

9220144225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261489 (or 261484 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 9220144225 is about 96021.5820792388. The cubic root of 9220144225 is about 2096.9073316414.

The spelling of 9220144225 in words is "nine billion, two hundred twenty million, one hundred forty-four thousand, two hundred twenty-five".