22944219 has 4 divisors (see below), whose sum is σ = 30592296. Its totient is φ = 15296144.

The previous prime is 22944211. The next prime is 22944221. The reversal of 22944219 is 91244922.

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 22944219 - 2³ = 22944211 is a prime.

It is a super-4 number, since 4×22944219⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22944219.

It is not an unprimeable number, because it can be changed into a prime (22944211) 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, 3824034 + ... + 3824039.

It is an arithmetic number, because the mean of its divisors is an integer number (7648074).

Almost surely, 2^22944219 is an apocalyptic number.

22944219 is a deficient number, since it is larger than the sum of its proper divisors (7648077).

22944219 is an equidigital number, since it uses as much as digits as its factorization.

22944219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7648076.

The product of its digits is 10368, while the sum is 33.

The square root of 22944219 is about 4790.0124216958. The cubic root of 22944219 is about 284.1566078985.

The spelling of 22944219 in words is "twenty-two million, nine hundred forty-four thousand, two hundred nineteen".