2225846565 has 24 divisors (see below), whose sum is σ = 3930933240. Its totient is φ = 1164718464.

The previous prime is 2225846549. The next prime is 2225846573. The reversal of 2225846565 is 5656485222.

It is a happy number.

2225846565 is a `hidden beast` number, since 2 + 2 + 2 + 5 + 84 + 6 + 565 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 459073476 + 1766773089 = 21426^2 + 42033^2 .

It is not a de Polignac number, because 2225846565 - 2⁴ = 2225846549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2225846565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464250 + ... + 469019.

It is an arithmetic number, because the mean of its divisors is an integer number (163788885).

Almost surely, 2^2225846565 is an apocalyptic number.

It is an amenable number.

2225846565 is a deficient number, since it is larger than the sum of its proper divisors (1705086675).

2225846565 is a wasteful number, since it uses less digits than its factorization.

2225846565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933333 (or 933330 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The square root of 2225846565 is about 47178.8783779352. The cubic root of 2225846565 is about 1305.6649361631.

The spelling of 2225846565 in words is "two billion, two hundred twenty-five million, eight hundred forty-six thousand, five hundred sixty-five".