2722622991 has 16 divisors (see below), whose sum is σ = 3962452608. Its totient is φ = 1649127200.

The previous prime is 2722622983. The next prime is 2722623023. The reversal of 2722622991 is 1992262272.

It is a cyclic number.

It is not a de Polignac number, because 2722622991 - 2³ = 2722622983 is a prime.

It is a super-2 number, since 2×2722622991² = 14825351902243572162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722622971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36985 + ... + 82541.

It is an arithmetic number, because the mean of its divisors is an integer number (247653288).

Almost surely, 2^2722622991 is an apocalyptic number.

2722622991 is a deficient number, since it is larger than the sum of its proper divisors (1239829617).

2722622991 is a wasteful number, since it uses less digits than its factorization.

2722622991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47382.

The product of its digits is 108864, while the sum is 42.

The square root of 2722622991 is about 52178.7599603517. The cubic root of 2722622991 is about 1396.3549723259.

The spelling of 2722622991 in words is "two billion, seven hundred twenty-two million, six hundred twenty-two thousand, nine hundred ninety-one".