2273944620 has 48 divisors (see below), whose sum is σ = 6389591040. Its totient is φ = 604238016.

The previous prime is 2273944613. The next prime is 2273944637. The reversal of 2273944620 is 264493722.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 49980 + ... + 83939.

It is an arithmetic number, because the mean of its divisors is an integer number (133116480).

Almost surely, 2^2273944620 is an apocalyptic number.

2273944620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273944620 is an abundant number, since it is smaller than the sum of its proper divisors (4115646420).

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

2273944620 is a wasteful number, since it uses less digits than its factorization.

2273944620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134214 (or 134212 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 2273944620 is about 47685.8953989542. The cubic root of 2273944620 is about 1315.0026495438.

The spelling of 2273944620 in words is "two billion, two hundred seventy-three million, nine hundred forty-four thousand, six hundred twenty".