22388042 has 8 divisors (see below), whose sum is σ = 35349600. Its totient is φ = 10604844.

The previous prime is 22388017. The next prime is 22388111. The reversal of 22388042 is 24088322.

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

It is a junction number, because it is equal to n+sod(n) for n = 22387996 and 22388014.

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, 294542 + ... + 294617.

It is an arithmetic number, because the mean of its divisors is an integer number (4418700).

Almost surely, 2^22388042 is an apocalyptic number.

22388042 is a deficient number, since it is larger than the sum of its proper divisors (12961558).

22388042 is a wasteful number, since it uses less digits than its factorization.

22388042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589180.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 22388042 is about 4731.6003635134. The cubic root of 22388042 is about 281.8417786882.

The spelling of 22388042 in words is "twenty-two million, three hundred eighty-eight thousand, forty-two".