220221052 has 6 divisors (see below), whose sum is σ = 385386848. Its totient is φ = 110110524.

The previous prime is 220221049. The next prime is 220221073. The reversal of 220221052 is 250122022.

It is a congruent number.

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, 27527628 + ... + 27527635.

Almost surely, 2^220221052 is an apocalyptic number.

It is an amenable number.

220221052 is a deficient number, since it is larger than the sum of its proper divisors (165165796).

220221052 is a wasteful number, since it uses less digits than its factorization.

220221052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55055267 (or 55055265 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 220221052 is about 14839.8467647075. The cubic root of 220221052 is about 603.8831952545.

Adding to 220221052 its reverse (250122022), we get a palindrome (470343074).

The spelling of 220221052 in words is "two hundred twenty million, two hundred twenty-one thousand, fifty-two".