3702344221 has 2 divisors, whose sum is σ = 3702344222. Its totient is φ = 3702344220.

The previous prime is 3702344183. The next prime is 3702344251. The reversal of 3702344221 is 1224432073.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3533708025 + 168636196 = 59445^2 + 12986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3702344221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3702344221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3702344251) 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, 1851172110 + 1851172111.

It is an arithmetic number, because the mean of its divisors is an integer number (1851172111).

Almost surely, 2^3702344221 is an apocalyptic number.

It is an amenable number.

3702344221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3702344221 is an equidigital number, since it uses as much as digits as its factorization.

3702344221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 3702344221 is about 60846.8916297291. The cubic root of 3702344221 is about 1547.0069499120.

Adding to 3702344221 its reverse (1224432073), we get a palindrome (4926776294).

The spelling of 3702344221 in words is "three billion, seven hundred two million, three hundred forty-four thousand, two hundred twenty-one".