2723220001 has 8 divisors (see below), whose sum is σ = 2752442504. Its totient is φ = 2694021120.

The previous prime is 2723219999. The next prime is 2723220013. The reversal of 2723220001 is 1000223272.

It can be written as a sum of positive squares in 4 ways, for example, as 816587776 + 1906632225 = 28576^2 + 43665^2 .

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 2723220001 - 2¹ = 2723219999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2723220061) 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, 321841 + ... + 330193.

It is an arithmetic number, because the mean of its divisors is an integer number (344055313).

Almost surely, 2^2723220001 is an apocalyptic number.

It is an amenable number.

2723220001 is a deficient number, since it is larger than the sum of its proper divisors (29222503).

2723220001 is an equidigital number, since it uses as much as digits as its factorization.

2723220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11811.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2723220001 is about 52184.4804611486. The cubic root of 2723220001 is about 1396.4570279489.

Adding to 2723220001 its reverse (1000223272), we get a palindrome (3723443273).

The spelling of 2723220001 in words is "two billion, seven hundred twenty-three million, two hundred twenty thousand, one".