2002224232961 has 2 divisors, whose sum is σ = 2002224232962. Its totient is φ = 2002224232960.

The previous prime is 2002224232919. The next prime is 2002224233011. The reversal of 2002224232961 is 1692324222002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1882754458225 + 119469774736 = 1372135^2 + 345644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002224232961 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002224232061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001112116480 + 1001112116481.

It is an arithmetic number, because the mean of its divisors is an integer number (1001112116481).

Almost surely, 2^{2002224232961} is an apocalyptic number.

It is an amenable number.

2002224232961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002224232961 is an equidigital number, since it uses as much as digits as its factorization.

2002224232961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 2002224232961 its reverse (1692324222002), we get a palindrome (3694548454963).

The spelling of 2002224232961 in words is "two trillion, two billion, two hundred twenty-four million, two hundred thirty-two thousand, nine hundred sixty-one".