22498219 has 4 divisors (see below), whose sum is σ = 23224000. Its totient is φ = 21772440.

The previous prime is 22498213. The next prime is 22498243. The reversal of 22498219 is 91289422.

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 22498219 - 2³ = 22498211 is a prime.

It is a super-2 number, since 2×22498219² = 1012339716343922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22498211) 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, 362844 + ... + 362905.

It is an arithmetic number, because the mean of its divisors is an integer number (5806000).

Almost surely, 2^22498219 is an apocalyptic number.

22498219 is a deficient number, since it is larger than the sum of its proper divisors (725781).

22498219 is an equidigital number, since it uses as much as digits as its factorization.

22498219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725780.

The product of its digits is 20736, while the sum is 37.

The square root of 22498219 is about 4743.2287526536. The cubic root of 22498219 is about 282.3033596448.

The spelling of 22498219 in words is "twenty-two million, four hundred ninety-eight thousand, two hundred nineteen".