3502662221 has 2 divisors, whose sum is σ = 3502662222. Its totient is φ = 3502662220.

The previous prime is 3502662209. The next prime is 3502662259. The reversal of 3502662221 is 1222662053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2816955625 + 685706596 = 53075^2 + 26186^2 .

It is an emirp because it is prime and its reverse (1222662053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3502662221 - 2¹⁴ = 3502645837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3502662721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751331110 + 1751331111.

It is an arithmetic number, because the mean of its divisors is an integer number (1751331111).

Almost surely, 2^3502662221 is an apocalyptic number.

It is an amenable number.

3502662221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3502662221 is an equidigital number, since it uses as much as digits as its factorization.

3502662221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3502662221 is about 59183.2934281289. The cubic root of 3502662221 is about 1518.6793441340.

The spelling of 3502662221 in words is "three billion, five hundred two million, six hundred sixty-two thousand, two hundred twenty-one".