22504227 has 8 divisors (see below), whose sum is σ = 31584960. Its totient is φ = 14213160.

The previous prime is 22504217. The next prime is 22504253. The reversal of 22504227 is 72240522.

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

It is not a de Polignac number, because 22504227 - 2¹² = 22500131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22504197 and 22504206.

It is not an unprimeable number, because it can be changed into a prime (22504217) 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 7 ways as a sum of consecutive naturals, for example, 197349 + ... + 197462.

It is an arithmetic number, because the mean of its divisors is an integer number (3948120).

Almost surely, 2^22504227 is an apocalyptic number.

22504227 is a deficient number, since it is larger than the sum of its proper divisors (9080733).

22504227 is a wasteful number, since it uses less digits than its factorization.

22504227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394833.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 22504227 is about 4743.8620342502. The cubic root of 22504227 is about 282.3284864875.

Adding to 22504227 its reverse (72240522), we get a palindrome (94744749).

The spelling of 22504227 in words is "twenty-two million, five hundred four thousand, two hundred twenty-seven".