22329438 has 16 divisors (see below), whose sum is σ = 44960400. Its totient is φ = 7392896.

The previous prime is 22329431. The next prime is 22329443. The reversal of 22329438 is 83492322.

It is a junction number, because it is equal to n+sod(n) for n = 22329399 and 22329408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22329431) 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, 11595 + ... + 13382.

It is an arithmetic number, because the mean of its divisors is an integer number (2810025).

Almost surely, 2^22329438 is an apocalyptic number.

22329438 is an abundant number, since it is smaller than the sum of its proper divisors (22630962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22329438 is a wasteful number, since it uses less digits than its factorization.

22329438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25131.

The product of its digits is 20736, while the sum is 33.

The square root of 22329438 is about 4725.4034748368. The cubic root of 22329438 is about 281.5956429976.

The spelling of 22329438 in words is "twenty-two million, three hundred twenty-nine thousand, four hundred thirty-eight".