2271912390 has 48 divisors (see below), whose sum is σ = 6443972496. Its totient is φ = 550766400.

The previous prime is 2271912373. The next prime is 2271912413. The reversal of 2271912390 is 932191722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1146441 + ... + 1148420.

It is an arithmetic number, because the mean of its divisors is an integer number (134249427).

Almost surely, 2^2271912390 is an apocalyptic number.

2271912390 is an abundant number, since it is smaller than the sum of its proper divisors (4172060106).

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

2271912390 is a wasteful number, since it uses less digits than its factorization.

2271912390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294885 (or 2294882 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2271912390 is about 47664.5821339074. The cubic root of 2271912390 is about 1314.6107923993.

The spelling of 2271912390 in words is "two billion, two hundred seventy-one million, nine hundred twelve thousand, three hundred ninety".