2266691380 has 24 divisors (see below), whose sum is σ = 4767504840. Its totient is φ = 905256960.

The previous prime is 2266691363. The next prime is 2266691407. The reversal of 2266691380 is 831966622.

It can be written as a sum of positive squares in 4 ways, for example, as 850072336 + 1416619044 = 29156^2 + 37638^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75585 + ... + 101224.

It is an arithmetic number, because the mean of its divisors is an integer number (198646035).

Almost surely, 2^2266691380 is an apocalyptic number.

2266691380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2266691380 is an abundant number, since it is smaller than the sum of its proper divisors (2500813460).

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

2266691380 is a wasteful number, since it uses less digits than its factorization.

2266691380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177459 (or 177457 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 2266691380 is about 47609.7823981585. The cubic root of 2266691380 is about 1313.6029981849.

The spelling of 2266691380 in words is "two billion, two hundred sixty-six million, six hundred ninety-one thousand, three hundred eighty".