22234542 has 16 divisors (see below), whose sum is σ = 48511872. Its totient is φ = 6737720.

The previous prime is 22234523. The next prime is 22234543. The reversal of 22234542 is 24543222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 168378 + ... + 168509.

It is an arithmetic number, because the mean of its divisors is an integer number (3031992).

Almost surely, 2^22234542 is an apocalyptic number.

22234542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22234542 is an abundant number, since it is smaller than the sum of its proper divisors (26277330).

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

22234542 is a wasteful number, since it uses less digits than its factorization.

22234542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336903.

The product of its digits is 3840, while the sum is 24.

The square root of 22234542 is about 4715.3517366152. The cubic root of 22234542 is about 281.1961666842.

Adding to 22234542 its reverse (24543222), we get a palindrome (46777764).

The spelling of 22234542 in words is "twenty-two million, two hundred thirty-four thousand, five hundred forty-two".