8892311220 has 480 divisors, whose sum is σ = 32170279680. Its totient is φ = 2037934080.

The previous prime is 8892311213. The next prime is 8892311243. The reversal of 8892311220 is 221132988.

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 159 ways as a sum of consecutive naturals, for example, 28409784 + ... + 28410096.

It is an arithmetic number, because the mean of its divisors is an integer number (67021416).

Almost surely, 2^8892311220 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 8892311220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16085139840).

8892311220 is an abundant number, since it is smaller than the sum of its proper divisors (23277968460).

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

8892311220 is a wasteful number, since it uses less digits than its factorization.

8892311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8892311220 is about 94299.0520631040. The cubic root of 8892311220 is about 2071.7541526533.

The spelling of 8892311220 in words is "eight billion, eight hundred ninety-two million, three hundred eleven thousand, two hundred twenty".