2273915880 has 48 divisors (see below), whose sum is σ = 7390227780. Its totient is φ = 606377472.

The previous prime is 2273915783. The next prime is 2273915923. The reversal of 2273915880 is 885193722.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2228028804 + 45887076 = 47202^2 + 6774^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3157857 + ... + 3158576.

Almost surely, 2^2273915880 is an apocalyptic number.

2273915880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273915880 is an abundant number, since it is smaller than the sum of its proper divisors (5116311900).

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

2273915880 is a wasteful number, since it uses less digits than its factorization.

2273915880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316450 (or 6316443 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 2273915880 is about 47685.5940510339. The cubic root of 2273915880 is about 1314.9971094887.

The spelling of 2273915880 in words is "two billion, two hundred seventy-three million, nine hundred fifteen thousand, eight hundred eighty".