22313132173 has 2 divisors, whose sum is σ = 22313132174. Its totient is φ = 22313132172.

The previous prime is 22313132147. The next prime is 22313132183. The reversal of 22313132173 is 37123131322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13506623524 + 8806508649 = 116218^2 + 93843^2 .

It is a cyclic number.

It is not a de Polignac number, because 22313132173 - 2⁹ = 22313131661 is a prime.

It is a super-3 number, since 3×22313132173³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22313132183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156566086 + 11156566087.

It is an arithmetic number, because the mean of its divisors is an integer number (11156566087).

Almost surely, 2^22313132173 is an apocalyptic number.

It is an amenable number.

22313132173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22313132173 is an equidigital number, since it uses as much as digits as its factorization.

22313132173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 28.

Adding to 22313132173 its reverse (37123131322), we get a palindrome (59436263495).

The spelling of 22313132173 in words is "twenty-two billion, three hundred thirteen million, one hundred thirty-two thousand, one hundred seventy-three".