22224219 has 8 divisors (see below), whose sum is σ = 31375440. Its totient is φ = 13944576.

The previous prime is 22224217. The next prime is 22224229. The reversal of 22224219 is 91242222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22224219 - 2¹ = 22224217 is a prime.

It is a super-2 number, since 2×22224219² = 987831820319922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22224211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217834 + ... + 217935.

It is an arithmetic number, because the mean of its divisors is an integer number (3921930).

Almost surely, 2^22224219 is an apocalyptic number.

22224219 is a deficient number, since it is larger than the sum of its proper divisors (9151221).

22224219 is a wasteful number, since it uses less digits than its factorization.

22224219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435789.

The product of its digits is 1152, while the sum is 24.

The square root of 22224219 is about 4714.2569934190. The cubic root of 22224219 is about 281.1526422531.

It can be divided in two parts, 2222 and 4219, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 22224219 in words is "twenty-two million, two hundred twenty-four thousand, two hundred nineteen".