1322205726 has 8 divisors (see below), whose sum is σ = 2644411464. Its totient is φ = 440735240.

The previous prime is 1322205701. The next prime is 1322205727. The reversal of 1322205726 is 6275022231.

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

1322205726 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1322205693 and 1322205702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322205727) 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, 110183805 + ... + 110183816.

It is an arithmetic number, because the mean of its divisors is an integer number (330551433).

Almost surely, 2^1322205726 is an apocalyptic number.

1322205726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1322205726 is a wasteful number, since it uses less digits than its factorization.

1322205726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220367626.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1322205726 is about 36362.1468838131. The cubic root of 1322205726 is about 1097.5719795811.

Adding to 1322205726 its reverse (6275022231), we get a palindrome (7597227957).

The spelling of 1322205726 in words is "one billion, three hundred twenty-two million, two hundred five thousand, seven hundred twenty-six".