4222123091 has 2 divisors, whose sum is σ = 4222123092. Its totient is φ = 4222123090.

The previous prime is 4222123063. The next prime is 4222123097. The reversal of 4222123091 is 1903212224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4222123091 - 2¹⁸ = 4221860947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4222123091.

It is not a weakly prime, because it can be changed into another prime (4222123097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111061545 + 2111061546.

It is an arithmetic number, because the mean of its divisors is an integer number (2111061546).

Almost surely, 2^4222123091 is an apocalyptic number.

4222123091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222123091 is an equidigital number, since it uses as much as digits as its factorization.

4222123091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4222123091 is about 64977.8661622556. The cubic root of 4222123091 is about 1616.2565460172.

The spelling of 4222123091 in words is "four billion, two hundred twenty-two million, one hundred twenty-three thousand, ninety-one".