22108847 has 8 divisors (see below), whose sum is σ = 22803456. Its totient is φ = 21423672.

The previous prime is 22108843. The next prime is 22108873. The reversal of 22108847 is 74880122.

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

It is a cyclic number.

It is not a de Polignac number, because 22108847 - 2² = 22108843 is a prime.

It is a super-2 number, since 2×22108847² = 977602231338818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22108843) 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, 2558 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (2850432).

Almost surely, 2^22108847 is an apocalyptic number.

22108847 is a deficient number, since it is larger than the sum of its proper divisors (694609).

22108847 is a wasteful number, since it uses less digits than its factorization.

22108847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 22108847 is about 4702.0045725201. The cubic root of 22108847 is about 280.6652845179.

Adding to 22108847 its reverse (74880122), we get a palindrome (96988969).

The spelling of 22108847 in words is "twenty-two million, one hundred eight thousand, eight hundred forty-seven".