2220221132309 has 4 divisors (see below), whose sum is σ = 2350822375404. Its totient is φ = 2089619889216.

The previous prime is 2220221132299. The next prime is 2220221132329. The reversal of 2220221132309 is 9032311220222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1636071228100 + 584149904209 = 1279090^2 + 764297^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220221132309 - 2⁴ = 2220221132293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220221132329) 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, 65300621522 + ... + 65300621555.

It is an arithmetic number, because the mean of its divisors is an integer number (587705593851).

Almost surely, 2^{2220221132309} is an apocalyptic number.

It is an amenable number.

2220221132309 is a deficient number, since it is larger than the sum of its proper divisors (130601243095).

2220221132309 is a wasteful number, since it uses less digits than its factorization.

2220221132309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130601243094.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 2220221132309 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred thirty-two thousand, three hundred nine".