22396839 has 8 divisors (see below), whose sum is σ = 31434240. Its totient is φ = 14145336.

The previous prime is 22396823. The next prime is 22396841. The reversal of 22396839 is 93869322.

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

It is not a de Polignac number, because 22396839 - 2⁴ = 22396823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22396839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22396889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196407 + ... + 196520.

It is an arithmetic number, because the mean of its divisors is an integer number (3929280).

Almost surely, 2^22396839 is an apocalyptic number.

22396839 is a deficient number, since it is larger than the sum of its proper divisors (9037401).

22396839 is a wasteful number, since it uses less digits than its factorization.

22396839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392949.

The product of its digits is 139968, while the sum is 42.

The square root of 22396839 is about 4732.5298731228. The cubic root of 22396839 is about 281.8786888307.

The spelling of 22396839 in words is "twenty-two million, three hundred ninety-six thousand, eight hundred thirty-nine".