22222101405173 has 2 divisors, whose sum is σ = 22222101405174. Its totient is φ = 22222101405172.

The previous prime is 22222101405107. The next prime is 22222101405223. The reversal of 22222101405173 is 37150410122222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21524338561489 + 697762843684 = 4639433^2 + 835322^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222101405173 - 2²⁴ = 22222084627957 is a prime.

It is a super-2 number, since 2×22222101405173² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222101405473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111050702586 + 11111050702587.

It is an arithmetic number, because the mean of its divisors is an integer number (11111050702587).

Almost surely, 2^{22222101405173} is an apocalyptic number.

It is an amenable number.

22222101405173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222101405173 is an equidigital number, since it uses as much as digits as its factorization.

22222101405173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 22222101405173 its reverse (37150410122222), we get a palindrome (59372511527395).

The spelling of 22222101405173 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred one million, four hundred five thousand, one hundred seventy-three".