220442302 has 8 divisors (see below), whose sum is σ = 341330112. Its totient is φ = 106665600.

The previous prime is 220442279. The next prime is 220442303. The reversal of 220442302 is 203244022.

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

It is a super-2 number, since 2×220442302² = 97189617022118408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220442302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220442303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777699 + ... + 1777822.

It is an arithmetic number, because the mean of its divisors is an integer number (42666264).

Almost surely, 2^220442302 is an apocalyptic number.

220442302 is a deficient number, since it is larger than the sum of its proper divisors (120887810).

220442302 is a wasteful number, since it uses less digits than its factorization.

220442302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555554.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 220442302 is about 14847.2994850916. The cubic root of 220442302 is about 604.0853624802.

Adding to 220442302 its reverse (203244022), we get a palindrome (423686324).

The spelling of 220442302 in words is "two hundred twenty million, four hundred forty-two thousand, three hundred two".