22239827 has 8 divisors (see below), whose sum is σ = 23535360. Its totient is φ = 20971720.

The previous prime is 22239821. The next prime is 22239851. The reversal of 22239827 is 72893222.

It is a happy number.

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 22239827 - 2⁸ = 22239571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22239821) 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, 5177 + ... + 8442.

It is an arithmetic number, because the mean of its divisors is an integer number (2941920).

Almost surely, 2^22239827 is an apocalyptic number.

22239827 is a deficient number, since it is larger than the sum of its proper divisors (1295533).

22239827 is a wasteful number, since it uses less digits than its factorization.

22239827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13713.

The product of its digits is 24192, while the sum is 35.

The square root of 22239827 is about 4715.9121068994. The cubic root of 22239827 is about 281.2184443938.

The spelling of 22239827 in words is "twenty-two million, two hundred thirty-nine thousand, eight hundred twenty-seven".