2742221201 has 2 divisors, whose sum is σ = 2742221202. Its totient is φ = 2742221200.

The previous prime is 2742221197. The next prime is 2742221233. The reversal of 2742221201 is 1021222472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2714931025 + 27290176 = 52105^2 + 5224^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742221201 - 2² = 2742221197 is a prime.

It is not a weakly prime, because it can be changed into another prime (2742221291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371110600 + 1371110601.

It is an arithmetic number, because the mean of its divisors is an integer number (1371110601).

Almost surely, 2^2742221201 is an apocalyptic number.

It is an amenable number.

2742221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742221201 is an equidigital number, since it uses as much as digits as its factorization.

2742221201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2742221201 is about 52366.2219469765. The cubic root of 2742221201 is about 1399.6974177708.

Adding to 2742221201 its reverse (1021222472), we get a palindrome (3763443673).

The spelling of 2742221201 in words is "two billion, seven hundred forty-two million, two hundred twenty-one thousand, two hundred one".