2263308645 has 32 divisors (see below), whose sum is σ = 3905016192. Its totient is φ = 1112769792.

The previous prime is 2263308623. The next prime is 2263308647. The reversal of 2263308645 is 5468033622.

It is a happy number.

It is not a de Polignac number, because 2263308645 - 2⁶ = 2263308581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263308647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148134 + ... + 162696.

It is an arithmetic number, because the mean of its divisors is an integer number (122031756).

Almost surely, 2^2263308645 is an apocalyptic number.

It is an amenable number.

2263308645 is a deficient number, since it is larger than the sum of its proper divisors (1641707547).

2263308645 is a wasteful number, since it uses less digits than its factorization.

2263308645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15381.

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 2263308645 is about 47574.2435042324. The cubic root of 2263308645 is about 1312.9492136731.

The spelling of 2263308645 in words is "two billion, two hundred sixty-three million, three hundred eight thousand, six hundred forty-five".