722231321332 has 6 divisors (see below), whose sum is σ = 1263904812338. Its totient is φ = 361115660664.

The previous prime is 722231321323. The next prime is 722231321401. The reversal of 722231321332 is 233123132227.

It can be written as a sum of positive squares in only one way, i.e., 539187678436 + 183043642896 = 734294^2 + 427836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 722231321294 and 722231321303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90278915163 + ... + 90278915170.

Almost surely, 2^722231321332 is an apocalyptic number.

It is an amenable number.

722231321332 is a deficient number, since it is larger than the sum of its proper divisors (541673491006).

722231321332 is a wasteful number, since it uses less digits than its factorization.

722231321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180557830337 (or 180557830335 counting only the distinct ones).

The product of its digits is 18144, while the sum is 31.

Adding to 722231321332 its reverse (233123132227), we get a palindrome (955354453559).

The spelling of 722231321332 in words is "seven hundred twenty-two billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred thirty-two".