220342242 has 16 divisors (see below), whose sum is σ = 441100800. Its totient is φ = 73378032.

The previous prime is 220342217. The next prime is 220342273. The reversal of 220342242 is 242243022.

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 7 ways as a sum of consecutive naturals, for example, 10242 + ... + 23357.

It is an arithmetic number, because the mean of its divisors is an integer number (27568800).

Almost surely, 2^220342242 is an apocalyptic number.

220342242 is an abundant number, since it is smaller than the sum of its proper divisors (220758558).

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

220342242 is a wasteful number, since it uses less digits than its factorization.

220342242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34697.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 220342242 is about 14843.9294662835. The cubic root of 220342242 is about 603.9939494007.

Adding to 220342242 its reverse (242243022), we get a palindrome (462585264).

The spelling of 220342242 in words is "two hundred twenty million, three hundred forty-two thousand, two hundred forty-two".