220221322 has 8 divisors (see below), whose sum is σ = 331040736. Its totient is φ = 109874412.

The previous prime is 220221233. The next prime is 220221341. The reversal of 220221322 is 223122022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 220221296 and 220221305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116958 + ... + 118825.

It is an arithmetic number, because the mean of its divisors is an integer number (41380092).

Almost surely, 2^220221322 is an apocalyptic number.

220221322 is a deficient number, since it is larger than the sum of its proper divisors (110819414).

220221322 is a wasteful number, since it uses less digits than its factorization.

220221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236252.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220221322 is about 14839.8558618337. The cubic root of 220221322 is about 603.8834420495.

Adding to 220221322 its reverse (223122022), we get a palindrome (443343344).

The spelling of 220221322 in words is "two hundred twenty million, two hundred twenty-one thousand, three hundred twenty-two".