4222155613 has 4 divisors (see below), whose sum is σ = 4546936828. Its totient is φ = 3897374400.

The previous prime is 4222155571. The next prime is 4222155689. The reversal of 4222155613 is 3165512224.

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 618914884 + 3603240729 = 24878^2 + 60027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4222155613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222155713) 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, 162390588 + ... + 162390613.

It is an arithmetic number, because the mean of its divisors is an integer number (1136734207).

Almost surely, 2^4222155613 is an apocalyptic number.

It is an amenable number.

4222155613 is a deficient number, since it is larger than the sum of its proper divisors (324781215).

4222155613 is a wasteful number, since it uses less digits than its factorization.

4222155613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324781214.

The product of its digits is 14400, while the sum is 31.

The square root of 4222155613 is about 64978.1164162212. The cubic root of 4222155613 is about 1616.2606958852.

Adding to 4222155613 its reverse (3165512224), we get a palindrome (7387667837).

The spelling of 4222155613 in words is "four billion, two hundred twenty-two million, one hundred fifty-five thousand, six hundred thirteen".