2265023644 has 24 divisors (see below), whose sum is σ = 4273928960. Its totient is φ = 1044114624.

The previous prime is 2265023531. The next prime is 2265023653. The reversal of 2265023644 is 4463205622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16837 + ... + 69379.

Almost surely, 2^2265023644 is an apocalyptic number.

It is an amenable number.

2265023644 is a deficient number, since it is larger than the sum of its proper divisors (2008905316).

2265023644 is a wasteful number, since it uses less digits than its factorization.

2265023644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53389 (or 53387 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 2265023644 is about 47592.2645395236. The cubic root of 2265023644 is about 1313.2807545638.

The spelling of 2265023644 in words is "two billion, two hundred sixty-five million, twenty-three thousand, six hundred forty-four".