9222270440 has 64 divisors (see below), whose sum is σ = 22113077760. Its totient is φ = 3453429760.

The previous prime is 9222270439. The next prime is 9222270493. The reversal of 9222270440 is 440722229.

It is a junction number, because it is equal to n+sod(n) for n = 9222270397 and 9222270406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63401 + ... + 149880.

It is an arithmetic number, because the mean of its divisors is an integer number (345516840).

Almost surely, 2^9222270440 is an apocalyptic number.

It is an amenable number.

9222270440 is an abundant number, since it is smaller than the sum of its proper divisors (12890807320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9222270440 is a wasteful number, since it uses less digits than its factorization.

9222270440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213362 (or 213358 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 9222270440 is about 96032.6529884497. The cubic root of 9222270440 is about 2097.0685053006.

Adding to 9222270440 its reverse (440722229), we get a palindrome (9662992669).

The spelling of 9222270440 in words is "nine billion, two hundred twenty-two million, two hundred seventy thousand, four hundred forty".