22312193 has 2 divisors, whose sum is σ = 22312194. Its totient is φ = 22312192.

The previous prime is 22312183. The next prime is 22312217. The reversal of 22312193 is 39121322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17572864 + 4739329 = 4192^2 + 2177^2 .

It is a cyclic number.

It is not a de Polignac number, because 22312193 - 2⁸ = 22311937 is a prime.

It is a super-3 number, since 3×22312193³ (a number of 23 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22312123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156096 + 11156097.

It is an arithmetic number, because the mean of its divisors is an integer number (11156097).

Almost surely, 2^22312193 is an apocalyptic number.

It is an amenable number.

22312193 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312193 is an equidigital number, since it uses as much as digits as its factorization.

22312193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

The square root of 22312193 is about 4723.5784104850. The cubic root of 22312193 is about 281.5231323277.

The spelling of 22312193 in words is "twenty-two million, three hundred twelve thousand, one hundred ninety-three".