2772225173 has 16 divisors (see below), whose sum is σ = 2966174640. Its totient is φ = 2581856256.

The previous prime is 2772225109. The next prime is 2772225193. The reversal of 2772225173 is 3715222772.

2772225173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 894129604 + 1878095569 = 29902^2 + 43337^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772225173 - 2⁶ = 2772225109 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 (2772225193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644213 + ... + 648501.

It is an arithmetic number, because the mean of its divisors is an integer number (185385915).

Almost surely, 2^2772225173 is an apocalyptic number.

It is an amenable number.

2772225173 is a deficient number, since it is larger than the sum of its proper divisors (193949467).

2772225173 is a wasteful number, since it uses less digits than its factorization.

2772225173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696.

The product of its digits is 82320, while the sum is 38.

The square root of 2772225173 is about 52651.9246846685. The cubic root of 2772225173 is about 1404.7838343914.

The spelling of 2772225173 in words is "two billion, seven hundred seventy-two million, two hundred twenty-five thousand, one hundred seventy-three".