2273438220 has 96 divisors (see below), whose sum is σ = 7033195008. Its totient is φ = 545774592.

The previous prime is 2273438207. The next prime is 2273438239. The reversal of 2273438220 is 228343722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24994 + ... + 71913.

It is an arithmetic number, because the mean of its divisors is an integer number (73262448).

Almost surely, 2^2273438220 is an apocalyptic number.

2273438220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273438220 is an abundant number, since it is smaller than the sum of its proper divisors (4759756788).

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

2273438220 is a wasteful number, since it uses less digits than its factorization.

2273438220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96959 (or 96957 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 2273438220 is about 47680.5853571451. The cubic root of 2273438220 is about 1314.9050267060.

The spelling of 2273438220 in words is "two billion, two hundred seventy-three million, four hundred thirty-eight thousand, two hundred twenty".