222067493 has 2 divisors, whose sum is σ = 222067494. Its totient is φ = 222067492.

The previous prime is 222067463. The next prime is 222067513. The reversal of 222067493 is 394760222.

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., 147452449 + 74615044 = 12143^2 + 8638^2 .

It is a cyclic number.

It is not a de Polignac number, because 222067493 - 2¹² = 222063397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222067453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111033746 + 111033747.

It is an arithmetic number, because the mean of its divisors is an integer number (111033747).

Almost surely, 2^222067493 is an apocalyptic number.

It is an amenable number.

222067493 is a deficient number, since it is larger than the sum of its proper divisors (1).

222067493 is an equidigital number, since it uses as much as digits as its factorization.

222067493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 222067493 is about 14901.9291704128. The cubic root of 222067493 is about 605.5662508088.

The spelling of 222067493 in words is "two hundred twenty-two million, sixty-seven thousand, four hundred ninety-three".