222213133221 has 8 divisors (see below), whose sum is σ = 296298246624. Its totient is φ = 148135054320.

The previous prime is 222213133211. The next prime is 222213133249. The reversal of 222213133221 is 122331312222.

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

It is not a de Polignac number, because 222213133221 - 2¹⁴ = 222213116837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222213133191 and 222213133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222213133211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684470 + ... + 1811591.

It is an arithmetic number, because the mean of its divisors is an integer number (37037280828).

Almost surely, 2^222213133221 is an apocalyptic number.

It is an amenable number.

222213133221 is a deficient number, since it is larger than the sum of its proper divisors (74085113403).

222213133221 is a wasteful number, since it uses less digits than its factorization.

222213133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517251.

The product of its digits is 1728, while the sum is 24.

Adding to 222213133221 its reverse (122331312222), we get a palindrome (344544445443).

The spelling of 222213133221 in words is "two hundred twenty-two billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred twenty-one".