9222218384 has 20 divisors (see below), whose sum is σ = 17946081660. Its totient is φ = 4590971520.

The previous prime is 9222218381. The next prime is 9222218387. The reversal of 9222218384 is 4838122229.

It is an interprime number because it is at equal distance from previous prime (9222218381) and next prime (9222218387).

It can be written as a sum of positive squares in 2 ways, for example, as 3840528784 + 5381689600 = 61972^2 + 73360^2 .

It is not an unprimeable number, because it can be changed into a prime (9222218381) 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, 1254827 + ... + 1262154.

It is an arithmetic number, because the mean of its divisors is an integer number (897304083).

Almost surely, 2^9222218384 is an apocalyptic number.

It is an amenable number.

9222218384 is a deficient number, since it is larger than the sum of its proper divisors (8723863276).

9222218384 is a wasteful number, since it uses less digits than its factorization.

9222218384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517218 (or 2517212 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 9222218384 is about 96032.3819552551. The cubic root of 9222218384 is about 2097.0645595910.

The spelling of 9222218384 in words is "nine billion, two hundred twenty-two million, two hundred eighteen thousand, three hundred eighty-four".