3564721223 has 8 divisors (see below), whose sum is σ = 4150834848. Its totient is φ = 2997824544.

The previous prime is 3564721219. The next prime is 3564721243. The reversal of 3564721223 is 3221274653.

3564721223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3564721223 - 2² = 3564721219 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 (3564721243) 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, 4803836 + ... + 4804577.

It is an arithmetic number, because the mean of its divisors is an integer number (518854356).

Almost surely, 2^3564721223 is an apocalyptic number.

3564721223 is a deficient number, since it is larger than the sum of its proper divisors (586113625).

3564721223 is an equidigital number, since it uses as much as digits as its factorization.

3564721223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9608473.

The product of its digits is 60480, while the sum is 35.

The square root of 3564721223 is about 59705.2863907376. The cubic root of 3564721223 is about 1527.5960401522.

Adding to 3564721223 its reverse (3221274653), we get a palindrome (6785995876).

The spelling of 3564721223 in words is "three billion, five hundred sixty-four million, seven hundred twenty-one thousand, two hundred twenty-three".