2204572321 has 8 divisors (see below), whose sum is σ = 2520137664. Its totient is φ = 1889163600.

The previous prime is 2204572319. The next prime is 2204572343. The reversal of 2204572321 is 1232754022.

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

It is a cyclic number.

It is not a de Polignac number, because 2204572321 - 2¹ = 2204572319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2204572321.

It is not an unprimeable number, because it can be changed into a prime (2204572301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7255 + ... + 66796.

It is an arithmetic number, because the mean of its divisors is an integer number (315017208).

Almost surely, 2^2204572321 is an apocalyptic number.

It is an amenable number.

2204572321 is a deficient number, since it is larger than the sum of its proper divisors (315565343).

2204572321 is an equidigital number, since it uses as much as digits as its factorization.

2204572321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78311.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2204572321 is about 46952.8734051496. The cubic root of 2204572321 is about 1301.4918417892.

It can be divided in two parts, 220457 and 2321, that added together give a triangular number (222778 = T₆₆₇).

The spelling of 2204572321 in words is "two billion, two hundred four million, five hundred seventy-two thousand, three hundred twenty-one".