220055442 has 8 divisors (see below), whose sum is σ = 440110896. Its totient is φ = 73351812.

The previous prime is 220055411. The next prime is 220055447. The reversal of 220055442 is 244550022.

It is a happy number.

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

220055442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (220055447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18337948 + ... + 18337959.

It is an arithmetic number, because the mean of its divisors is an integer number (55013862).

Almost surely, 2^220055442 is an apocalyptic number.

220055442 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.

220055442 is a wasteful number, since it uses less digits than its factorization.

220055442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36675912.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 220055442 is about 14834.2658058968. The cubic root of 220055442 is about 603.7317804600.

The spelling of 220055442 in words is "two hundred twenty million, fifty-five thousand, four hundred forty-two".