2209269022321 has 9 divisors (see below), whose sum is σ = 2346897395361. Its totient is φ = 2079288239232.

The previous prime is 2209269022319. The next prime is 2209269022393. The reversal of 2209269022321 is 1232209629022.

The square root of 2209269022321 is 1486361.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 753578511921 + 1455690510400 = 868089^2 + 1206520^2 .

It is not a de Polignac number, because 2209269022321 - 2¹ = 2209269022319 is a prime.

It is a super-2 number, since 2×2209269022321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209269022421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25224421 + ... + 25311853.

Almost surely, 2^{2209269022321} is an apocalyptic number.

2209269022321 is the 1486361-st square number.

2209269022321 is the 743181-st centered octagonal number.

It is an amenable number.

2209269022321 is a deficient number, since it is larger than the sum of its proper divisors (137628373040).

2209269022321 is an frugal number, since it uses more digits than its factorization.

2209269022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174900 (or 87450 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 2209269022321 in words is "two trillion, two hundred nine billion, two hundred sixty-nine million, twenty-two thousand, three hundred twenty-one".