2255521465 has 8 divisors (see below), whose sum is σ = 2723231808. Its totient is φ = 1793346480.

The previous prime is 2255521459. The next prime is 2255521523. The reversal of 2255521465 is 5641255522.

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

It is not a de Polignac number, because 2255521465 - 2²⁹ = 1718650553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382941 + ... + 1384570.

It is an arithmetic number, because the mean of its divisors is an integer number (340403976).

Almost surely, 2^2255521465 is an apocalyptic number.

It is an amenable number.

2255521465 is a deficient number, since it is larger than the sum of its proper divisors (467710343).

2255521465 is a wasteful number, since it uses less digits than its factorization.

2255521465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767679.

The product of its digits is 120000, while the sum is 37.

The square root of 2255521465 is about 47492.3305913702. The cubic root of 2255521465 is about 1311.4416979442.

Adding to 2255521465 its reverse (5641255522), we get a palindrome (7896776987).

The spelling of 2255521465 in words is "two billion, two hundred fifty-five million, five hundred twenty-one thousand, four hundred sixty-five".