222214231221 has 16 divisors (see below), whose sum is σ = 305424604800. Its totient is φ = 143603108928.

The previous prime is 222214231193. The next prime is 222214231231. The reversal of 222214231221 is 122132412222.

It is not a de Polignac number, because 222214231221 - 2¹³ = 222214223029 is a prime.

It is a super-4 number, since 4×222214231221⁴ (a number of 46 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222214231191 and 222214231200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222214231231) 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 15 ways as a sum of consecutive naturals, for example, 3691201 + ... + 3750918.

It is an arithmetic number, because the mean of its divisors is an integer number (19089037800).

Almost surely, 2^222214231221 is an apocalyptic number.

It is an amenable number.

222214231221 is a deficient number, since it is larger than the sum of its proper divisors (83210373579).

222214231221 is a wasteful number, since it uses less digits than its factorization.

222214231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7442428.

The product of its digits is 1536, while the sum is 24.

Adding to 222214231221 its reverse (122132412222), we get a palindrome (344346643443).

The spelling of 222214231221 in words is "two hundred twenty-two billion, two hundred fourteen million, two hundred thirty-one thousand, two hundred twenty-one".