22042093 has 2 divisors, whose sum is σ = 22042094. Its totient is φ = 22042092.

The previous prime is 22042091. The next prime is 22042099. The reversal of 22042093 is 39024022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20187049 + 1855044 = 4493^2 + 1362^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042093 - 2¹ = 22042091 is a prime.

Together with 22042091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22042091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021046 + 11021047.

It is an arithmetic number, because the mean of its divisors is an integer number (11021047).

Almost surely, 2^22042093 is an apocalyptic number.

It is an amenable number.

22042093 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042093 is an equidigital number, since it uses as much as digits as its factorization.

22042093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22042093 is about 4694.9007444247. The cubic root of 22042093 is about 280.3825256390.

The spelling of 22042093 in words is "twenty-two million, forty-two thousand, ninety-three".