220222212221 has 8 divisors (see below), whose sum is σ = 241291509600. Its totient is φ = 199327764240.

The previous prime is 220222212179. The next prime is 220222212227. The reversal of 220222212221 is 122212222022.

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

It is not a de Polignac number, because 220222212221 - 2⁶ = 220222212157 is a prime.

It is a super-2 number, since 2×220222212221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220222212193 and 220222212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43709711 + ... + 43714748.

It is an arithmetic number, because the mean of its divisors is an integer number (30161438700).

Almost surely, 2^220222212221 is an apocalyptic number.

It is an amenable number.

220222212221 is a deficient number, since it is larger than the sum of its proper divisors (21069297379).

220222212221 is a wasteful number, since it uses less digits than its factorization.

220222212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87424699.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220222212221 its reverse (122212222022), we get a palindrome (342434434243).

The spelling of 220222212221 in words is "two hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twenty-one".