4144225633 has 4 divisors (see below), whose sum is σ = 4144492548. Its totient is φ = 4143958720.

The previous prime is 4144225597. The next prime is 4144225649. The reversal of 4144225633 is 3365224414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4064445009 + 79780624 = 63753^2 + 8932^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144225633 - 2⁹ = 4144225121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4144225693) 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, 108628 + ... + 141733.

It is an arithmetic number, because the mean of its divisors is an integer number (1036123137).

Almost surely, 2^4144225633 is an apocalyptic number.

It is an amenable number.

4144225633 is a deficient number, since it is larger than the sum of its proper divisors (266915).

4144225633 is a wasteful number, since it uses less digits than its factorization.

4144225633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266914.

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

The square root of 4144225633 is about 64375.6602529248. The cubic root of 4144225633 is about 1606.2548951124.

The spelling of 4144225633 in words is "four billion, one hundred forty-four million, two hundred twenty-five thousand, six hundred thirty-three".