9222097281 has 8 divisors (see below), whose sum is σ = 12479654304. Its totient is φ = 6056302560.

The previous prime is 9222097277. The next prime is 9222097307. The reversal of 9222097281 is 1827902229.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9222097281 - 2² = 9222097277 is a prime.

It is a super-2 number, since 2×9222097281² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9222097271) 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 7 ways as a sum of consecutive naturals, for example, 22940340 + ... + 22940741.

It is an arithmetic number, because the mean of its divisors is an integer number (1559956788).

Almost surely, 2^9222097281 is an apocalyptic number.

It is an amenable number.

9222097281 is a deficient number, since it is larger than the sum of its proper divisors (3257557023).

9222097281 is a wasteful number, since it uses less digits than its factorization.

9222097281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45881151.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 9222097281 is about 96031.7514210795. The cubic root of 9222097281 is about 2097.0553802406.

The spelling of 9222097281 in words is "nine billion, two hundred twenty-two million, ninety-seven thousand, two hundred eighty-one".