212233193 has 2 divisors, whose sum is σ = 212233194. Its totient is φ = 212233192.

The previous prime is 212233171. The next prime is 212233237. The reversal of 212233193 is 391332212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171426649 + 40806544 = 13093^2 + 6388^2 .

It is a cyclic number.

It is not a de Polignac number, because 212233193 - 2²² = 208038889 is a prime.

It is not a weakly prime, because it can be changed into another prime (212233103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106116596 + 106116597.

It is an arithmetic number, because the mean of its divisors is an integer number (106116597).

Almost surely, 2^212233193 is an apocalyptic number.

It is an amenable number.

212233193 is a deficient number, since it is larger than the sum of its proper divisors (1).

212233193 is an equidigital number, since it uses as much as digits as its factorization.

212233193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 212233193 is about 14568.2254581675. The cubic root of 212233193 is about 596.4917426049.

The spelling of 212233193 in words is "two hundred twelve million, two hundred thirty-three thousand, one hundred ninety-three".