2622191623 has 2 divisors, whose sum is σ = 2622191624. Its totient is φ = 2622191622.

The previous prime is 2622191587. The next prime is 2622191633. The reversal of 2622191623 is 3261912262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2622191623 - 2²⁹ = 2085320711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2622191633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311095811 + 1311095812.

It is an arithmetic number, because the mean of its divisors is an integer number (1311095812).

Almost surely, 2^2622191623 is an apocalyptic number.

2622191623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2622191623 is an equidigital number, since it uses as much as digits as its factorization.

2622191623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 2622191623 is about 51207.3395422961. The cubic root of 2622191623 is about 1378.9699698435.

The spelling of 2622191623 in words is "two billion, six hundred twenty-two million, one hundred ninety-one thousand, six hundred twenty-three".