22002000157 has 2 divisors, whose sum is σ = 22002000158. Its totient is φ = 22002000156.

The previous prime is 22002000113. The next prime is 22002000289. The reversal of 22002000157 is 75100020022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21921467481 + 80532676 = 148059^2 + 8974^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002000157 - 2⁷ = 22002000029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002000107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001000078 + 11001000079.

It is an arithmetic number, because the mean of its divisors is an integer number (11001000079).

Almost surely, 2^22002000157 is an apocalyptic number.

It is an amenable number.

22002000157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002000157 is an equidigital number, since it uses as much as digits as its factorization.

22002000157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 19.

Adding to 22002000157 its reverse (75100020022), we get a palindrome (97102020179).

The spelling of 22002000157 in words is "twenty-two billion, two million, one hundred fifty-seven", and thus it is an aban number.