220100002 has 4 divisors (see below), whose sum is σ = 330150006. Its totient is φ = 110050000.

The previous prime is 220099973. The next prime is 220100039. The reversal of 220100002 is 200001022.

It is a happy number.

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., 126765081 + 93334921 = 11259^2 + 9661^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55024999 + ... + 55025002.

Almost surely, 2^220100002 is an apocalyptic number.

220100002 is a deficient number, since it is larger than the sum of its proper divisors (110050004).

220100002 is a wasteful number, since it uses less digits than its factorization.

220100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110050003.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 220100002 is about 14835.7676579272. The cubic root of 220100002 is about 603.7725284828.

Adding to 220100002 its reverse (200001022), we get a palindrome (420101024).

The spelling of 220100002 in words is "two hundred twenty million, one hundred thousand, two".