2722279091 has 16 divisors (see below), whose sum is σ = 3227427840. Its totient is φ = 2247635520.

The previous prime is 2722279061. The next prime is 2722279111. The reversal of 2722279091 is 1909722272.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2722279091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (2722279061) 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, 37361 + ... + 82706.

It is an arithmetic number, because the mean of its divisors is an integer number (201714240).

Almost surely, 2^2722279091 is an apocalyptic number.

2722279091 is a deficient number, since it is larger than the sum of its proper divisors (505148749).

2722279091 is a wasteful number, since it uses less digits than its factorization.

2722279091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120194.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 2722279091 is about 52175.4644540899. The cubic root of 2722279091 is about 1396.2961777129.

The spelling of 2722279091 in words is "two billion, seven hundred twenty-two million, two hundred seventy-nine thousand, ninety-one".