1322205000221 has 4 divisors (see below), whose sum is σ = 1511091428832. Its totient is φ = 1133318571612.

The previous prime is 1322205000217. The next prime is 1322205000247. The reversal of 1322205000221 is 1220005022231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1322205000221 - 2² = 1322205000217 is a prime.

It is a super-2 number, since 2×1322205000221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322205000193 and 1322205000202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322205000251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94443214295 + ... + 94443214308.

It is an arithmetic number, because the mean of its divisors is an integer number (377772857208).

Almost surely, 2^{1322205000221} is an apocalyptic number.

It is an amenable number.

1322205000221 is a deficient number, since it is larger than the sum of its proper divisors (188886428611).

1322205000221 is an equidigital number, since it uses as much as digits as its factorization.

1322205000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188886428610.

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 1322205000221 in words is "one trillion, three hundred twenty-two billion, two hundred five million, two hundred twenty-one", and thus it is an aban number.