222331140242173 has 2 divisors, whose sum is σ = 222331140242174. Its totient is φ = 222331140242172.

The previous prime is 222331140242153. The next prime is 222331140242231. The reversal of 222331140242173 is 371242041133222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192815802670969 + 29515337571204 = 13885813^2 + 5432802^2 .

It is a cyclic number.

It is not a de Polignac number, because 222331140242173 - 2²¹ = 222331138145021 is a prime.

It is a super-2 number, since 2×222331140242173² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222331140242153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111165570121086 + 111165570121087.

It is an arithmetic number, because the mean of its divisors is an integer number (111165570121087).

Almost surely, 2^{222331140242173} is an apocalyptic number.

It is an amenable number.

222331140242173 is a deficient number, since it is larger than the sum of its proper divisors (1).

222331140242173 is an equidigital number, since it uses as much as digits as its factorization.

222331140242173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

Adding to 222331140242173 its reverse (371242041133222), we get a palindrome (593573181375395).

The spelling of 222331140242173 in words is "two hundred twenty-two trillion, three hundred thirty-one billion, one hundred forty million, two hundred forty-two thousand, one hundred seventy-three".