2285515780 has 12 divisors (see below), whose sum is σ = 4799583180. Its totient is φ = 914206304.

The previous prime is 2285515777. The next prime is 2285515787. The reversal of 2285515780 is 875155822.

It can be written as a sum of positive squares in 2 ways, for example, as 243921924 + 2041593856 = 15618^2 + 45184^2 .

It is not an unprimeable number, because it can be changed into a prime (2285515787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57137875 + ... + 57137914.

It is an arithmetic number, because the mean of its divisors is an integer number (399965265).

Almost surely, 2^2285515780 is an apocalyptic number.

2285515780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2285515780 is an abundant number, since it is smaller than the sum of its proper divisors (2514067400).

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

2285515780 is a wasteful number, since it uses less digits than its factorization.

2285515780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114275798 (or 114275796 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 2285515780 is about 47807.0683058478. The cubic root of 2285515780 is about 1317.2293776648.

The spelling of 2285515780 in words is "two billion, two hundred eighty-five million, five hundred fifteen thousand, seven hundred eighty".