220424002 has 4 divisors (see below), whose sum is σ = 330636006. Its totient is φ = 110212000.

The previous prime is 220423999. The next prime is 220424027. The reversal of 220424002 is 200424022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 197374401 + 23049601 = 14049^2 + 4801^2 .

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 as a sum of consecutive naturals, namely, 55105999 + ... + 55106002.

Almost surely, 2^220424002 is an apocalyptic number.

220424002 is a deficient number, since it is larger than the sum of its proper divisors (110212004).

220424002 is a wasteful number, since it uses less digits than its factorization.

220424002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110212003.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 220424002 is about 14846.6831986138. The cubic root of 220424002 is about 604.0686459850.

Adding to 220424002 its reverse (200424022), we get a palindrome (420848024).

The spelling of 220424002 in words is "two hundred twenty million, four hundred twenty-four thousand, two".