22665849 has 8 divisors (see below), whose sum is σ = 31263360. Its totient is φ = 14589456.

The previous prime is 22665847. The next prime is 22665857. The reversal of 22665849 is 94856622.

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

It is not a de Polignac number, because 22665849 - 2¹ = 22665847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22665849.

It is not an unprimeable number, because it can be changed into a prime (22665847) 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, 130177 + ... + 130350.

It is an arithmetic number, because the mean of its divisors is an integer number (3907920).

Almost surely, 2^22665849 is an apocalyptic number.

22665849 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22665849 is a deficient number, since it is larger than the sum of its proper divisors (8597511).

22665849 is a wasteful number, since it uses less digits than its factorization.

22665849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260559.

The product of its digits is 207360, while the sum is 42.

The square root of 22665849 is about 4760.8664127446. The cubic root of 22665849 is about 283.0027552413.

The spelling of 22665849 in words is "twenty-two million, six hundred sixty-five thousand, eight hundred forty-nine".