2276209720 has 64 divisors (see below), whose sum is σ = 5516605440. Its totient is φ = 842793600.

The previous prime is 2276209711. The next prime is 2276209723. The reversal of 2276209720 is 279026722.

It is a super-2 number, since 2×2276209720² = 10362261378844956800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2276209720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2276209723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11386 + ... + 68425.

It is an arithmetic number, because the mean of its divisors is an integer number (86196960).

Almost surely, 2^2276209720 is an apocalyptic number.

2276209720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2276209720 is an abundant number, since it is smaller than the sum of its proper divisors (3240395720).

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

2276209720 is a wasteful number, since it uses less digits than its factorization.

2276209720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79876 (or 79872 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 2276209720 is about 47709.6396968160. The cubic root of 2276209720 is about 1315.4391339409.

The spelling of 2276209720 in words is "two billion, two hundred seventy-six million, two hundred nine thousand, seven hundred twenty".