9222177888 has 960 divisors, whose sum is σ = 36883123200. Its totient is φ = 2235340800.

The previous prime is 9222177871. The next prime is 9222177889. The reversal of 9222177888 is 8887712229.

It is a super-2 number, since 2×9222177888² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9222177889) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 224931148 + ... + 224931188.

It is an arithmetic number, because the mean of its divisors is an integer number (38419920).

Almost surely, 2^9222177888 is an apocalyptic number.

9222177888 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9222177888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18441561600).

9222177888 is an abundant number, since it is smaller than the sum of its proper divisors (27660945312).

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

9222177888 is a wasteful number, since it uses less digits than its factorization.

9222177888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 87 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The square root of 9222177888 is about 96032.1711094777. The cubic root of 9222177888 is about 2097.0614900891.

The spelling of 9222177888 in words is "nine billion, two hundred twenty-two million, one hundred seventy-seven thousand, eight hundred eighty-eight".