9226616220 has 288 divisors, whose sum is σ = 31233384000. Its totient is φ = 2194698240.

The previous prime is 9226616209. The next prime is 9226616257. The reversal of 9226616220 is 226166229.

9226616220 is a `hidden beast` number, since 9 + 2 + 26 + 6 + 1 + 622 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4065246 + ... + 4067514.

It is an arithmetic number, because the mean of its divisors is an integer number (108449250).

Almost surely, 2^9226616220 is an apocalyptic number.

9226616220 is a gapful number since it is divisible by the number (90) 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 9226616220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15616692000).

9226616220 is an abundant number, since it is smaller than the sum of its proper divisors (22006767780).

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

9226616220 is a wasteful number, since it uses less digits than its factorization.

9226616220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 9226616220 is about 96055.2768982527. The cubic root of 9226616220 is about 2097.3978517925.

The spelling of 9226616220 in words is "nine billion, two hundred twenty-six million, six hundred sixteen thousand, two hundred twenty".