221232223011322 has 8 divisors (see below), whose sum is σ = 343291380534900. Its totient is φ = 106801762833024.

The previous prime is 221232223011307. The next prime is 221232223011377. The reversal of 221232223011322 is 223110322232122.

It can be written as a sum of positive squares in 2 ways, for example, as 194772196878561 + 26460026132761 = 13956081^2 + 5143931^2 .

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

It is a super-2 number, since 2×221232223011322² (a number of 29 digits) contains 22 as substring.

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, 1907174336247 + ... + 1907174336362.

Almost surely, 2^{221232223011322} is an apocalyptic number.

221232223011322 is a deficient number, since it is larger than the sum of its proper divisors (122059157523578).

221232223011322 is a wasteful number, since it uses less digits than its factorization.

221232223011322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814348672640.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 221232223011322 its reverse (223110322232122), we get a palindrome (444342545243444).

The spelling of 221232223011322 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, two hundred twenty-three million, eleven thousand, three hundred twenty-two".