3022185816 has 320 divisors, whose sum is σ = 9604980000. Its totient is φ = 881362944.

The previous prime is 3022185811. The next prime is 3022185827. The reversal of 3022185816 is 6185812203.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3022185811) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 21742275 + ... + 21742413.

Almost surely, 2^3022185816 is an apocalyptic number.

3022185816 is a gapful number since it is divisible by the number (36) 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 3022185816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4802490000).

3022185816 is an abundant number, since it is smaller than the sum of its proper divisors (6582794184).

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

3022185816 is a wasteful number, since it uses less digits than its factorization.

3022185816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 3022185816 is about 54974.4105561851. The cubic root of 3022185816 is about 1445.7961180151.

The spelling of 3022185816 in words is "three billion, twenty-two million, one hundred eighty-five thousand, eight hundred sixteen".