22022012220157 has 2 divisors, whose sum is σ = 22022012220158. Its totient is φ = 22022012220156.

The previous prime is 22022012220121. The next prime is 22022012220161. The reversal of 22022012220157 is 75102221022022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20945825908921 + 1076186311236 = 4576661^2 + 1037394^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022012220157 - 2¹¹ = 22022012218109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022012220757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011006110078 + 11011006110079.

It is an arithmetic number, because the mean of its divisors is an integer number (11011006110079).

Almost surely, 2^{22022012220157} is an apocalyptic number.

It is an amenable number.

22022012220157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022012220157 is an equidigital number, since it uses as much as digits as its factorization.

22022012220157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 22022012220157 its reverse (75102221022022), we get a palindrome (97124233242179).

The spelling of 22022012220157 in words is "twenty-two trillion, twenty-two billion, twelve million, two hundred twenty thousand, one hundred fifty-seven".