2227969865 has 32 divisors (see below), whose sum is σ = 3049111296. Its totient is φ = 1546997760.

The previous prime is 2227969853. The next prime is 2227969883. The reversal of 2227969865 is 5689697222.

It is not a de Polignac number, because 2227969865 - 2²⁰ = 2226921289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2227969865.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 850037 + ... + 852653.

It is an arithmetic number, because the mean of its divisors is an integer number (95284728).

Almost surely, 2^2227969865 is an apocalyptic number.

It is an amenable number.

2227969865 is a deficient number, since it is larger than the sum of its proper divisors (821141431).

2227969865 is a wasteful number, since it uses less digits than its factorization.

2227969865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329.

The product of its digits is 6531840, while the sum is 56.

The square root of 2227969865 is about 47201.3756685120. The cubic root of 2227969865 is about 1306.0799748481.

The spelling of 2227969865 in words is "two billion, two hundred twenty-seven million, nine hundred sixty-nine thousand, eight hundred sixty-five".