13222311144232 has 8 divisors (see below), whose sum is σ = 24791833395450. Its totient is φ = 6611155572112.

The previous prime is 13222311144199. The next prime is 13222311144253. The reversal of 13222311144232 is 23244111322231.

It can be written as a sum of positive squares in only one way, i.e., 12917799209956 + 304511934276 = 3594134^2 + 551826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13222311144232² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13222311144194 and 13222311144203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826394446507 + ... + 826394446522.

Almost surely, 2^{13222311144232} is an apocalyptic number.

It is an amenable number.

13222311144232 is a deficient number, since it is larger than the sum of its proper divisors (11569522251218).

13222311144232 is a wasteful number, since it uses less digits than its factorization.

13222311144232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652788893035 (or 1652788893031 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

Adding to 13222311144232 its reverse (23244111322231), we get a palindrome (36466422466463).

The spelling of 13222311144232 in words is "thirteen trillion, two hundred twenty-two billion, three hundred eleven million, one hundred forty-four thousand, two hundred thirty-two".