22192249 has 4 divisors (see below), whose sum is σ = 22908160. Its totient is φ = 21476340.

The previous prime is 22192243. The next prime is 22192253. The reversal of 22192249 is 94229122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22192249 - 2⁹ = 22191737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 715879 = 22192249 / (2 + 2 + 1 + 9 + 2 + 2 + 4 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22192249.

It is not an unprimeable number, because it can be changed into a prime (22192243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357909 + ... + 357970.

It is an arithmetic number, because the mean of its divisors is an integer number (5727040).

Almost surely, 2^22192249 is an apocalyptic number.

It is an amenable number.

22192249 is a deficient number, since it is larger than the sum of its proper divisors (715911).

22192249 is an equidigital number, since it uses as much as digits as its factorization.

22192249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715910.

The product of its digits is 5184, while the sum is 31.

The square root of 22192249 is about 4710.8649948815. The cubic root of 22192249 is about 281.0177629210.

The spelling of 22192249 in words is "twenty-two million, one hundred ninety-two thousand, two hundred forty-nine".