22242319 has 4 divisors (see below), whose sum is σ = 24264360. Its totient is φ = 20220280.

The previous prime is 22242317. The next prime is 22242323. The reversal of 22242319 is 91324222.

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 22242319 - 2¹ = 22242317 is a prime.

It is a super-2 number, since 2×22242319² = 989441508995522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22242293 and 22242302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011004 + ... + 1011025.

It is an arithmetic number, because the mean of its divisors is an integer number (6066090).

Almost surely, 2^22242319 is an apocalyptic number.

22242319 is a deficient number, since it is larger than the sum of its proper divisors (2022041).

22242319 is a wasteful number, since it uses less digits than its factorization.

22242319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022040.

The product of its digits is 1728, while the sum is 25.

The square root of 22242319 is about 4716.1763113777. The cubic root of 22242319 is about 281.2289476259.

The spelling of 22242319 in words is "twenty-two million, two hundred forty-two thousand, three hundred nineteen".