22485219 has 4 divisors (see below), whose sum is σ = 29980296. Its totient is φ = 14990144.

The previous prime is 22485193. The next prime is 22485251. The reversal of 22485219 is 91258422.

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 22485219 - 2⁸ = 22484963 is a prime.

It is a super-2 number, since 2×22485219² = 1011170146955922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22485219.

It is not an unprimeable number, because it can be changed into a prime (22485269) 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, 3747534 + ... + 3747539.

It is an arithmetic number, because the mean of its divisors is an integer number (7495074).

Almost surely, 2^22485219 is an apocalyptic number.

22485219 is a deficient number, since it is larger than the sum of its proper divisors (7495077).

22485219 is an equidigital number, since it uses as much as digits as its factorization.

22485219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7495076.

The product of its digits is 11520, while the sum is 33.

The square root of 22485219 is about 4741.8581800809. The cubic root of 22485219 is about 282.2489753287.

The spelling of 22485219 in words is "twenty-two million, four hundred eighty-five thousand, two hundred nineteen".