22733839 has 4 divisors (see below), whose sum is σ = 22744224. Its totient is φ = 22723456.

The previous prime is 22733833. The next prime is 22733849. The reversal of 22733839 is 93833722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93833722 = 2 ⋅46916861.

It is a cyclic number.

It is not a de Polignac number, because 22733839 - 2³ = 22733831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22733798 and 22733807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22733831) 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 3 ways as a sum of consecutive naturals, for example, 487 + ... + 6760.

It is an arithmetic number, because the mean of its divisors is an integer number (5686056).

Almost surely, 2^22733839 is an apocalyptic number.

22733839 is a deficient number, since it is larger than the sum of its proper divisors (10385).

22733839 is an equidigital number, since it uses as much as digits as its factorization.

22733839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10384.

The product of its digits is 54432, while the sum is 37.

The square root of 22733839 is about 4768.0015729863. The cubic root of 22733839 is about 283.2854441169.

The spelling of 22733839 in words is "twenty-two million, seven hundred thirty-three thousand, eight hundred thirty-nine".