22098239 has 4 divisors (see below), whose sum is σ = 23059056. Its totient is φ = 21137424.

The previous prime is 22098233. The next prime is 22098277. The reversal of 22098239 is 93289022.

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 22098239 - 2²⁴ = 5321023 is a prime.

It is a super-2 number, since 2×22098239² = 976664333802242, 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 = 22098199 and 22098208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22098233) 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 in 3 ways as a sum of consecutive naturals, for example, 480374 + ... + 480419.

It is an arithmetic number, because the mean of its divisors is an integer number (5764764).

Almost surely, 2^22098239 is an apocalyptic number.

22098239 is a deficient number, since it is larger than the sum of its proper divisors (960817).

22098239 is an equidigital number, since it uses as much as digits as its factorization.

22098239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960816.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 22098239 is about 4700.8764076500. The cubic root of 22098239 is about 280.6203888608.

The spelling of 22098239 in words is "twenty-two million, ninety-eight thousand, two hundred thirty-nine".