9204222397440 has 704 divisors, whose sum is σ = 35449507123200. Its totient is φ = 1991181533184.

The previous prime is 9204222397439. The next prime is 9204222397441. The reversal of 9204222397440 is 447932224029.

It is an interprime number because it is at equal distance from previous prime (9204222397439) and next prime (9204222397441).

It is a super-2 number, since 2×9204222397440² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9204222397440.

It is not an unprimeable number, because it can be changed into a prime (9204222397441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3568910071 + ... + 3568912649.

Almost surely, 2^{9204222397440} 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 9204222397440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17724753561600).

9204222397440 is an abundant number, since it is smaller than the sum of its proper divisors (26245284725760).

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

9204222397440 is a wasteful number, since it uses less digits than its factorization.

9204222397440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380 (or 4362 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 9204222397440 in words is "nine trillion, two hundred four billion, two hundred twenty-two million, three hundred ninety-seven thousand, four hundred forty".