2779126222 has 8 divisors (see below), whose sum is σ = 4183420536. Its totient is φ = 1384652712.

The previous prime is 2779126199. The next prime is 2779126243. The reversal of 2779126222 is 2226219772.

It is a happy number.

2779126222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454493 + ... + 2455624.

It is an arithmetic number, because the mean of its divisors is an integer number (522927567).

Almost surely, 2^2779126222 is an apocalyptic number.

2779126222 is a deficient number, since it is larger than the sum of its proper divisors (1404294314).

2779126222 is a wasteful number, since it uses less digits than its factorization.

2779126222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910402.

The product of its digits is 84672, while the sum is 40.

The square root of 2779126222 is about 52717.4185824761. The cubic root of 2779126222 is about 1405.9485364203.

The spelling of 2779126222 in words is "two billion, seven hundred seventy-nine million, one hundred twenty-six thousand, two hundred twenty-two".