22919159 has 4 divisors (see below), whose sum is σ = 23261304. Its totient is φ = 22577016.

The previous prime is 22919147. The next prime is 22919173. The reversal of 22919159 is 95191922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22919159 - 2¹² = 22915063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22919119) 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 in 3 ways as a sum of consecutive naturals, for example, 170972 + ... + 171105.

It is an arithmetic number, because the mean of its divisors is an integer number (5815326).

Almost surely, 2^22919159 is an apocalyptic number.

22919159 is a deficient number, since it is larger than the sum of its proper divisors (342145).

22919159 is an equidigital number, since it uses as much as digits as its factorization.

22919159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342144.

The product of its digits is 14580, while the sum is 38.

The square root of 22919159 is about 4787.3958474310. The cubic root of 22919159 is about 284.0531169246.

The spelling of 22919159 in words is "twenty-two million, nine hundred nineteen thousand, one hundred fifty-nine".