5645222003 has 4 divisors (see below), whose sum is σ = 5737766688. Its totient is φ = 5552677320.

The previous prime is 5645221961. The next prime is 5645222017. The reversal of 5645222003 is 3002225465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3002225465 = 5 ⋅600445093.

It is a cyclic number.

It is not a de Polignac number, because 5645222003 - 2¹⁰ = 5645220979 is a prime.

It is a super-5 number, since 5×5645222003⁵ (a number of 50 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5645222083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46272251 + ... + 46272372.

It is an arithmetic number, because the mean of its divisors is an integer number (1434441672).

Almost surely, 2^5645222003 is an apocalyptic number.

5645222003 is a deficient number, since it is larger than the sum of its proper divisors (92544685).

5645222003 is an equidigital number, since it uses as much as digits as its factorization.

5645222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92544684.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 5645222003 is about 75134.6924063711. The cubic root of 5645222003 is about 1780.5752888417.

Adding to 5645222003 its reverse (3002225465), we get a palindrome (8647447468).

The spelling of 5645222003 in words is "five billion, six hundred forty-five million, two hundred twenty-two thousand, three".