2273711820 has 48 divisors (see below), whose sum is σ = 6385682688. Its totient is φ = 604486080.

The previous prime is 2273711807. The next prime is 2273711857. The reversal of 2273711820 is 281173722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37384 + ... + 77103.

It is an arithmetic number, because the mean of its divisors is an integer number (133035056).

Almost surely, 2^2273711820 is an apocalyptic number.

2273711820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273711820 is an abundant number, since it is smaller than the sum of its proper divisors (4111970868).

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

2273711820 is a wasteful number, since it uses less digits than its factorization.

2273711820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114830 (or 114828 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 2273711820 is about 47683.4543631226. The cubic root of 2273711820 is about 1314.9577725986.

The spelling of 2273711820 in words is "two billion, two hundred seventy-three million, seven hundred eleven thousand, eight hundred twenty".