22117849 has 16 divisors (see below), whose sum is σ = 24966144. Its totient is φ = 19454400.

The previous prime is 22117847. The next prime is 22117853. The reversal of 22117849 is 94871122.

It is a cyclic number.

It is not a de Polignac number, because 22117849 - 2¹ = 22117847 is a prime.

It is a super-3 number, since 3×22117849³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22117847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28227 + ... + 28999.

It is an arithmetic number, because the mean of its divisors is an integer number (1560384).

Almost surely, 2^22117849 is an apocalyptic number.

It is an amenable number.

22117849 is a deficient number, since it is larger than the sum of its proper divisors (2848295).

22117849 is a wasteful number, since it uses less digits than its factorization.

22117849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888.

The product of its digits is 8064, while the sum is 34.

The square root of 22117849 is about 4702.9617264018. The cubic root of 22117849 is about 280.7033719264.

The spelling of 22117849 in words is "twenty-two million, one hundred seventeen thousand, eight hundred forty-nine".