22784334 has 8 divisors (see below), whose sum is σ = 45568680. Its totient is φ = 7594776.

The previous prime is 22784309. The next prime is 22784339. The reversal of 22784334 is 43348722.

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

22784334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22784295 and 22784304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22784339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898689 + ... + 1898700.

It is an arithmetic number, because the mean of its divisors is an integer number (5696085).

Almost surely, 2^22784334 is an apocalyptic number.

22784334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22784334 is a wasteful number, since it uses less digits than its factorization.

22784334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797394.

The product of its digits is 32256, while the sum is 33.

The square root of 22784334 is about 4773.2938313077. The cubic root of 22784334 is about 283.4950277365.

The spelling of 22784334 in words is "twenty-two million, seven hundred eighty-four thousand, three hundred thirty-four".