2215328465 has 24 divisors (see below), whose sum is σ = 3255183360. Its totient is φ = 1439127648.

The previous prime is 2215328461. The next prime is 2215328471. The reversal of 2215328465 is 5648235122.

It is a happy number.

It is not a de Polignac number, because 2215328465 - 2² = 2215328461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2215328461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233297 + ... + 242606.

It is an arithmetic number, because the mean of its divisors is an integer number (135632640).

Almost surely, 2^2215328465 is an apocalyptic number.

It is an amenable number.

2215328465 is a deficient number, since it is larger than the sum of its proper divisors (1039854895).

2215328465 is a wasteful number, since it uses less digits than its factorization.

2215328465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475941 (or 475934 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 2215328465 is about 47067.2759462453. The cubic root of 2215328465 is about 1303.6050752530.

The spelling of 2215328465 in words is "two billion, two hundred fifteen million, three hundred twenty-eight thousand, four hundred sixty-five".