221323132222 has 8 divisors (see below), whose sum is σ = 335207851056. Its totient is φ = 109587181872.

The previous prime is 221323132213. The next prime is 221323132231. The reversal of 221323132222 is 222231323122.

It is an interprime number because it is at equal distance from previous prime (221323132213) and next prime (221323132231).

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

It is a congruent number.

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, 537191863 + ... + 537192274.

It is an arithmetic number, because the mean of its divisors is an integer number (41900981382).

Almost surely, 2^221323132222 is an apocalyptic number.

221323132222 is a deficient number, since it is larger than the sum of its proper divisors (113884718834).

221323132222 is a wasteful number, since it uses less digits than its factorization.

221323132222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074384242.

The product of its digits is 3456, while the sum is 25.

Adding to 221323132222 its reverse (222231323122), we get a palindrome (443554455344).

The spelling of 221323132222 in words is "two hundred twenty-one billion, three hundred twenty-three million, one hundred thirty-two thousand, two hundred twenty-two".