2782201 has 2 divisors, whose sum is σ = 2782202. Its totient is φ = 2782200.

The previous prime is 2782193. The next prime is 2782211. The reversal of 2782201 is 1022872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2706025 + 76176 = 1645^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2782201 - 2³ = 2782193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2782211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391100 + 1391101.

It is an arithmetic number, because the mean of its divisors is an integer number (1391101).

2^2782201 is an apocalyptic number.

It is an amenable number.

2782201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2782201 is an equidigital number, since it uses as much as digits as its factorization.

2782201 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 2782201 is about 1667.9931055013. The cubic root of 2782201 is about 140.6466851168.

It can be divided in two parts, 27 and 82201, that added together give a palindrome (82228).

The spelling of 2782201 in words is "two million, seven hundred eighty-two thousand, two hundred one".