22002000202157 has 2 divisors, whose sum is σ = 22002000202158. Its totient is φ = 22002000202156.

The previous prime is 22002000202151. The next prime is 22002000202271. The reversal of 22002000202157 is 75120200020022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21897664096036 + 104336106121 = 4679494^2 + 323011^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002000202157 - 2³⁰ = 22000926460333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002000202151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001000101078 + 11001000101079.

It is an arithmetic number, because the mean of its divisors is an integer number (11001000101079).

Almost surely, 2^{22002000202157} is an apocalyptic number.

It is an amenable number.

22002000202157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002000202157 is an equidigital number, since it uses as much as digits as its factorization.

22002000202157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

Adding to 22002000202157 its reverse (75120200020022), we get a palindrome (97122200222179).

The spelling of 22002000202157 in words is "twenty-two trillion, two billion, two hundred two thousand, one hundred fifty-seven".