1322228839860 has 72 divisors (see below), whose sum is σ = 4010893731936. Its totient is φ = 352582672320.

The previous prime is 1322228839837. The next prime is 1322228839961. The reversal of 1322228839860 is 689388222231.

1322228839860 is a `hidden beast` number, since 1 + 3 + 22 + 228 + 8 + 398 + 6 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1322228839797 and 1322228839806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6248307 + ... + 6456453.

It is an arithmetic number, because the mean of its divisors is an integer number (55706857388).

Almost surely, 2^{1322228839860} is an apocalyptic number.

1322228839860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322228839860 is an abundant number, since it is smaller than the sum of its proper divisors (2688664892076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322228839860 is a wasteful number, since it uses less digits than its factorization.

1322228839860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243453 (or 243448 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 1322228839860 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-eight million, eight hundred thirty-nine thousand, eight hundred sixty".