22509834 has 8 divisors (see below), whose sum is σ = 45019680. Its totient is φ = 7503276.

The previous prime is 22509827. The next prime is 22509863. The reversal of 22509834 is 43890522.

It is a happy number.

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

22509834 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22509795 and 22509804.

It is an unprimeable number.

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, 1875814 + ... + 1875825.

It is an arithmetic number, because the mean of its divisors is an integer number (5627460).

Almost surely, 2^22509834 is an apocalyptic number.

22509834 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.

22509834 is a wasteful number, since it uses less digits than its factorization.

22509834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751644.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 22509834 is about 4744.4529716291. The cubic root of 22509834 is about 282.3519322217.

The spelling of 22509834 in words is "twenty-two million, five hundred nine thousand, eight hundred thirty-four".