220221220222210 has 16 divisors (see below), whose sum is σ = 397905413881536. Its totient is φ = 87753550870768.

The previous prime is 220221220222189. The next prime is 220221220222249. The reversal of 220221220222210 is 12222022122022.

It is a super-2 number, since 2×220221220222210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41867149504 + ... + 41867154763.

It is an arithmetic number, because the mean of its divisors is an integer number (24869088367596).

Almost surely, 2^{220221220222210} is an apocalyptic number.

220221220222210 is a deficient number, since it is larger than the sum of its proper divisors (177684193659326).

220221220222210 is a wasteful number, since it uses less digits than its factorization.

220221220222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83734304537.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 220221220222210 its reverse (12222022122022), we get a palindrome (232443242344232).

The spelling of 220221220222210 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twenty-two thousand, two hundred ten".