220344542 has 8 divisors (see below), whose sum is σ = 360563832. Its totient is φ = 100156600.

The previous prime is 220344533. The next prime is 220344547. The reversal of 220344542 is 245443022.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220344547) 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 3 ways as a sum of consecutive naturals, for example, 5007809 + ... + 5007852.

It is an arithmetic number, because the mean of its divisors is an integer number (45070479).

Almost surely, 2^220344542 is an apocalyptic number.

220344542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220344542 is a deficient number, since it is larger than the sum of its proper divisors (140219290).

220344542 is a wasteful number, since it uses less digits than its factorization.

220344542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10015674.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 220344542 is about 14844.0069388289. The cubic root of 220344542 is about 603.9960509515.

Adding to 220344542 its reverse (245443022), we get a palindrome (465787564).

The spelling of 220344542 in words is "two hundred twenty million, three hundred forty-four thousand, five hundred forty-two".