2265678530 has 8 divisors (see below), whose sum is σ = 4078221372. Its totient is φ = 906271408.

The previous prime is 2265678517. The next prime is 2265678539. The reversal of 2265678530 is 358765622.

It can be written as a sum of positive squares in 2 ways, for example, as 2094618289 + 171060241 = 45767^2 + 13079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2265678539) 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, 113283917 + ... + 113283936.

Almost surely, 2^2265678530 is an apocalyptic number.

2265678530 is a deficient number, since it is larger than the sum of its proper divisors (1812542842).

2265678530 is a wasteful number, since it uses less digits than its factorization.

2265678530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226567860.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 2265678530 is about 47599.1442149961. The cubic root of 2265678530 is about 1313.4073119336.

The spelling of 2265678530 in words is "two billion, two hundred sixty-five million, six hundred seventy-eight thousand, five hundred thirty".