2452304221 has 2 divisors, whose sum is σ = 2452304222. Its totient is φ = 2452304220.

The previous prime is 2452304209. The next prime is 2452304243. The reversal of 2452304221 is 1224032542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2437396900 + 14907321 = 49370^2 + 3861^2 .

It is a cyclic number.

It is not a de Polignac number, because 2452304221 - 2¹³ = 2452296029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2452304291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226152110 + 1226152111.

It is an arithmetic number, because the mean of its divisors is an integer number (1226152111).

Almost surely, 2^2452304221 is an apocalyptic number.

It is an amenable number.

2452304221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2452304221 is an equidigital number, since it uses as much as digits as its factorization.

2452304221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2452304221 is about 49520.7453598994. The cubic root of 2452304221 is about 1348.5222460012.

Adding to 2452304221 its reverse (1224032542), we get a palindrome (3676336763).

The spelling of 2452304221 in words is "two billion, four hundred fifty-two million, three hundred four thousand, two hundred twenty-one".