2772715222 has 4 divisors (see below), whose sum is σ = 4159072836. Its totient is φ = 1386357610.

The previous prime is 2772715199. The next prime is 2772715243. The reversal of 2772715222 is 2225172772.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693178804 + ... + 693178807.

It is an arithmetic number, because the mean of its divisors is an integer number (1039768209).

Almost surely, 2^2772715222 is an apocalyptic number.

2772715222 is a deficient number, since it is larger than the sum of its proper divisors (1386357614).

2772715222 is a wasteful number, since it uses less digits than its factorization.

2772715222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386357613.

The product of its digits is 54880, while the sum is 37.

The square root of 2772715222 is about 52656.5781455651. The cubic root of 2772715222 is about 1404.8666045261.

Adding to 2772715222 its reverse (2225172772), we get a palindrome (4997887994).

The spelling of 2772715222 in words is "two billion, seven hundred seventy-two million, seven hundred fifteen thousand, two hundred twenty-two".