2223764065 has 8 divisors (see below), whose sum is σ = 2668821480. Its totient is φ = 1778808192.

The previous prime is 2223764021. The next prime is 2223764069. The reversal of 2223764065 is 5604673222.

It can be written as a sum of positive squares in 4 ways, for example, as 280629504 + 1943134561 = 16752^2 + 44081^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2223764065 - 2¹¹ = 2223762017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2223764069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36531 + ... + 76039.

It is an arithmetic number, because the mean of its divisors is an integer number (333602685).

Almost surely, 2^2223764065 is an apocalyptic number.

It is an amenable number.

2223764065 is a deficient number, since it is larger than the sum of its proper divisors (445057415).

2223764065 is a wasteful number, since it uses less digits than its factorization.

2223764065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50771.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 2223764065 is about 47156.8029556712. The cubic root of 2223764065 is about 1305.2576161359.

The spelling of 2223764065 in words is "two billion, two hundred twenty-three million, seven hundred sixty-four thousand, sixty-five".