2402024221 has 2 divisors, whose sum is σ = 2402024222. Its totient is φ = 2402024220.

The previous prime is 2402024179. The next prime is 2402024227. The reversal of 2402024221 is 1224202042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1935032121 + 466992100 = 43989^2 + 21610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402024221 - 2¹¹ = 2402022173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2402024227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201012110 + 1201012111.

It is an arithmetic number, because the mean of its divisors is an integer number (1201012111).

Almost surely, 2^2402024221 is an apocalyptic number.

It is an amenable number.

2402024221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402024221 is an equidigital number, since it uses as much as digits as its factorization.

2402024221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2402024221 is about 49010.4501203570. The cubic root of 2402024221 is about 1339.2422055655.

Adding to 2402024221 its reverse (1224202042), we get a palindrome (3626226263).

The spelling of 2402024221 in words is "two billion, four hundred two million, twenty-four thousand, two hundred twenty-one".