2291387300 has 18 divisors (see below), whose sum is σ = 4972310658. Its totient is φ = 916554880.

The previous prime is 2291387299. The next prime is 2291387309. The reversal of 2291387300 is 37831922.

It can be written as a sum of positive squares in 3 ways, for example, as 444450724 + 1846936576 = 21082^2 + 42976^2 .

It is not an unprimeable number, because it can be changed into a prime (2291387309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11456837 + ... + 11457036.

It is an arithmetic number, because the mean of its divisors is an integer number (276239481).

Almost surely, 2^2291387300 is an apocalyptic number.

2291387300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2291387300 is an abundant number, since it is smaller than the sum of its proper divisors (2680923358).

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

2291387300 is a wasteful number, since it uses less digits than its factorization.

2291387300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22913887 (or 22913880 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2291387300 is about 47868.4374092157. The cubic root of 2291387300 is about 1318.3564062777.

The spelling of 2291387300 in words is "two billion, two hundred ninety-one million, three hundred eighty-seven thousand, three hundred".