2220155773 has 4 divisors (see below), whose sum is σ = 2421988128. Its totient is φ = 2018323420.

The previous prime is 2220155767. The next prime is 2220155797. The reversal of 2220155773 is 3775510222.

2220155773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2220155773 - 2¹⁷ = 2220024701 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 (2220155173) 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, 100916161 + ... + 100916182.

It is an arithmetic number, because the mean of its divisors is an integer number (605497032).

Almost surely, 2^2220155773 is an apocalyptic number.

It is an amenable number.

2220155773 is a deficient number, since it is larger than the sum of its proper divisors (201832355).

2220155773 is a wasteful number, since it uses less digits than its factorization.

2220155773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201832354.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 2220155773 is about 47118.5289774628. The cubic root of 2220155773 is about 1304.5512611853.

Adding to 2220155773 its reverse (3775510222), we get a palindrome (5995665995).

The spelling of 2220155773 in words is "two billion, two hundred twenty million, one hundred fifty-five thousand, seven hundred seventy-three".