2288897380 has 48 divisors (see below), whose sum is σ = 5992753536. Its totient is φ = 713422080.

The previous prime is 2288897341. The next prime is 2288897381. The reversal of 2288897380 is 837988822.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (2288897381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741609 + ... + 744688.

It is an arithmetic number, because the mean of its divisors is an integer number (124849032).

Almost surely, 2^2288897380 is an apocalyptic number.

2288897380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2288897380 is an abundant number, since it is smaller than the sum of its proper divisors (3703856156).

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

2288897380 is a wasteful number, since it uses less digits than its factorization.

2288897380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486324 (or 1486322 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 55.

The square root of 2288897380 is about 47842.4223885037. The cubic root of 2288897380 is about 1317.8787056133.

The spelling of 2288897380 in words is "two billion, two hundred eighty-eight million, eight hundred ninety-seven thousand, three hundred eighty".