9220440000 has 140 divisors (see below), whose sum is σ = 30485322824. Its totient is φ = 2458752000.

The previous prime is 9220439989. The next prime is 9220440007. The reversal of 9220440000 is 440229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9220440007) 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, 81582 + ... + 158418.

Almost surely, 2^9220440000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9220440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15242661412).

9220440000 is an abundant number, since it is smaller than the sum of its proper divisors (21264882824).

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

9220440000 is an equidigital number, since it uses as much as digits as its factorization.

9220440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76872 (or 76847 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 9220440000 is about 96023.1222154331. The cubic root of 9220440000 is about 2096.9297537828.

Adding to 9220440000 its reverse (440229), we get a palindrome (9220880229).

The spelling of 9220440000 in words is "nine billion, two hundred twenty million, four hundred forty thousand".