22227839 has 8 divisors (see below), whose sum is σ = 22654080. Its totient is φ = 21805696.

The previous prime is 22227827. The next prime is 22227847. The reversal of 22227839 is 93872222.

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 a de Polignac number, because none of the positive numbers 2^k-22227839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22227799 and 22227808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22227809) 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, 11282 + ... + 13104.

It is an arithmetic number, because the mean of its divisors is an integer number (2831760).

Almost surely, 2^22227839 is an apocalyptic number.

22227839 is a deficient number, since it is larger than the sum of its proper divisors (426241).

22227839 is a wasteful number, since it uses less digits than its factorization.

22227839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049.

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

The square root of 22227839 is about 4714.6409195187. The cubic root of 22227839 is about 281.1679066411.

The spelling of 22227839 in words is "twenty-two million, two hundred twenty-seven thousand, eight hundred thirty-nine".