2722801 has 2 divisors, whose sum is σ = 2722802. Its totient is φ = 2722800.

The previous prime is 2722799. The next prime is 2722831. The reversal of 2722801 is 1082272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2719201 + 3600 = 1649^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722801 - 2¹ = 2722799 is a prime.

Together with 2722799, it forms a pair of twin primes.

2722801 is a lucky number.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (2722831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361400 + 1361401.

It is an arithmetic number, because the mean of its divisors is an integer number (1361401).

2^2722801 is an apocalyptic number.

It is an amenable number.

2722801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722801 is an equidigital number, since it uses as much as digits as its factorization.

2722801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2722801 is about 1650.0912096002. The cubic root of 2722801 is about 139.6385403560.

The spelling of 2722801 in words is "two million, seven hundred twenty-two thousand, eight hundred one".