20222010222157 has 2 divisors, whose sum is σ = 20222010222158. Its totient is φ = 20222010222156.

The previous prime is 20222010222143. The next prime is 20222010222217. The reversal of 20222010222157 is 75122201022202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17309751929001 + 2912258293156 = 4160499^2 + 1706534^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222010222157 - 2¹⁵ = 20222010189389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222010282157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111005111078 + 10111005111079.

It is an arithmetic number, because the mean of its divisors is an integer number (10111005111079).

Almost surely, 2^{20222010222157} is an apocalyptic number.

It is an amenable number.

20222010222157 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222010222157 is an equidigital number, since it uses as much as digits as its factorization.

20222010222157 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 20222010222157 its reverse (75122201022202), we get a palindrome (95344211244359).

The spelling of 20222010222157 in words is "twenty trillion, two hundred twenty-two billion, ten million, two hundred twenty-two thousand, one hundred fifty-seven".