22230042 has 16 divisors (see below), whose sum is σ = 44530560. Its totient is φ = 7398272.

The previous prime is 22230023. The next prime is 22230049. The reversal of 22230042 is 24003222.

It is not an unprimeable number, because it can be changed into a prime (22230049) 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 7 ways as a sum of consecutive naturals, for example, 1738 + ... + 6890.

It is an arithmetic number, because the mean of its divisors is an integer number (2783160).

Almost surely, 2^22230042 is an apocalyptic number.

22230042 is an abundant number, since it is smaller than the sum of its proper divisors (22300518).

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

22230042 is a wasteful number, since it uses less digits than its factorization.

22230042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22230042 is about 4714.8745476418. The cubic root of 22230042 is about 281.1771951799.

Adding to 22230042 its reverse (24003222), we get a palindrome (46233264).

The spelling of 22230042 in words is "twenty-two million, two hundred thirty thousand, forty-two".