24061262221 has 2 divisors, whose sum is σ = 24061262222. Its totient is φ = 24061262220.

The previous prime is 24061262209. The next prime is 24061262261. The reversal of 24061262221 is 12226216042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15062652900 + 8998609321 = 122730^2 + 94861^2 .

It is a cyclic number.

It is not a de Polignac number, because 24061262221 - 2⁹ = 24061261709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24061262221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24061262261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12030631110 + 12030631111.

It is an arithmetic number, because the mean of its divisors is an integer number (12030631111).

Almost surely, 2^24061262221 is an apocalyptic number.

It is an amenable number.

24061262221 is a deficient number, since it is larger than the sum of its proper divisors (1).

24061262221 is an equidigital number, since it uses as much as digits as its factorization.

24061262221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 24061262221 its reverse (12226216042), we get a palindrome (36287478263).

The spelling of 24061262221 in words is "twenty-four billion, sixty-one million, two hundred sixty-two thousand, two hundred twenty-one".