220221102 has 16 divisors (see below), whose sum is σ = 447663312. Its totient is φ = 72203520.

The previous prime is 220221101. The next prime is 220221143. The reversal of 220221102 is 201122022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221101) by changing a digit.

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, 300483 + ... + 301214.

It is an arithmetic number, because the mean of its divisors is an integer number (27978957).

Almost surely, 2^220221102 is an apocalyptic number.

220221102 is an abundant number, since it is smaller than the sum of its proper divisors (227442210).

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

220221102 is a wasteful number, since it uses less digits than its factorization.

220221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601763.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 220221102 is about 14839.8484493609. The cubic root of 220221102 is about 603.8832409573.

Adding to 220221102 its reverse (201122022), we get a palindrome (421343124).

The spelling of 220221102 in words is "two hundred twenty million, two hundred twenty-one thousand, one hundred two".