2276312220 has 288 divisors, whose sum is σ = 8814693888. Its totient is φ = 480183552.

The previous prime is 2276312209. The next prime is 2276312221. The reversal of 2276312220 is 222136722.

2276312220 is a `hidden beast` number, since 2 + 2 + 7 + 631 + 2 + 2 + 20 = 666.

2276312220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2276312221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 439687 + ... + 444833.

It is an arithmetic number, because the mean of its divisors is an integer number (30606576).

Almost surely, 2^2276312220 is an apocalyptic number.

2276312220 is a gapful number since it is divisible by the number (20) 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 2276312220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4407346944).

2276312220 is an abundant number, since it is smaller than the sum of its proper divisors (6538381668).

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

2276312220 is a wasteful number, since it uses less digits than its factorization.

2276312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2276312220 is about 47710.7138911167. The cubic root of 2276312220 is about 1315.4588788244.

Adding to 2276312220 its reverse (222136722), we get a palindrome (2498448942).

The spelling of 2276312220 in words is "two billion, two hundred seventy-six million, three hundred twelve thousand, two hundred twenty".