2722220771164 has 24 divisors (see below), whose sum is σ = 4770896643968. Its totient is φ = 1359107806320.

The previous prime is 2722220771161. The next prime is 2722220771201. The reversal of 2722220771164 is 4611770222272.

It is a self number, because there is not a number n which added to its sum of digits gives 2722220771164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722220771161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34982179 + ... + 35059909.

Almost surely, 2^{2722220771164} is an apocalyptic number.

It is an amenable number.

2722220771164 is a deficient number, since it is larger than the sum of its proper divisors (2048675872804).

2722220771164 is a wasteful number, since it uses less digits than its factorization.

2722220771164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90505 (or 90503 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 2722220771164 in words is "two trillion, seven hundred twenty-two billion, two hundred twenty million, seven hundred seventy-one thousand, one hundred sixty-four".