20222152991137 has 2 divisors, whose sum is σ = 20222152991138. Its totient is φ = 20222152991136.

The previous prime is 20222152991119. The next prime is 20222152991177. The reversal of 20222152991137 is 73119925122202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18055224732736 + 2166928258401 = 4249144^2 + 1472049^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222152991137 - 2³¹ = 20220005507489 is a prime.

It is a super-2 number, since 2×20222152991137² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20222152991177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111076495568 + 10111076495569.

It is an arithmetic number, because the mean of its divisors is an integer number (10111076495569).

Almost surely, 2^{20222152991137} is an apocalyptic number.

It is an amenable number.

20222152991137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222152991137 is an equidigital number, since it uses as much as digits as its factorization.

20222152991137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 20222152991137 in words is "twenty trillion, two hundred twenty-two billion, one hundred fifty-two million, nine hundred ninety-one thousand, one hundred thirty-seven".