22228417 has 4 divisors (see below), whose sum is σ = 22328320. Its totient is φ = 22128516.

The previous prime is 22228403. The next prime is 22228421. The reversal of 22228417 is 71482222.

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 22228417 - 2⁷ = 22228289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22228447) 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, 49617 + ... + 50062.

It is an arithmetic number, because the mean of its divisors is an integer number (5582080).

Almost surely, 2^22228417 is an apocalyptic number.

It is an amenable number.

22228417 is a deficient number, since it is larger than the sum of its proper divisors (99903).

22228417 is an equidigital number, since it uses as much as digits as its factorization.

22228417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99902.

The product of its digits is 3584, while the sum is 28.

The square root of 22228417 is about 4714.7022175319. The cubic root of 22228417 is about 281.1703437298.

The spelling of 22228417 in words is "twenty-two million, two hundred twenty-eight thousand, four hundred seventeen".