22689042 has 8 divisors (see below), whose sum is σ = 45378096. Its totient is φ = 7563012.

The previous prime is 22689019. The next prime is 22689047. The reversal of 22689042 is 24098622.

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

22689042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22688994 and 22689012.

It is not an unprimeable number, because it can be changed into a prime (22689047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890748 + ... + 1890759.

It is an arithmetic number, because the mean of its divisors is an integer number (5672262).

Almost surely, 2^22689042 is an apocalyptic number.

22689042 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.

22689042 is a wasteful number, since it uses less digits than its factorization.

22689042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781512.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 22689042 is about 4763.3015860850. The cubic root of 22689042 is about 283.0992505662.

The spelling of 22689042 in words is "twenty-two million, six hundred eighty-nine thousand, forty-two".