222445373 has 2 divisors, whose sum is σ = 222445374. Its totient is φ = 222445372.

The previous prime is 222445361. The next prime is 222445387. The reversal of 222445373 is 373544222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222069604 + 375769 = 14902^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 222445373 - 2⁶ = 222445309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222445973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111222686 + 111222687.

It is an arithmetic number, because the mean of its divisors is an integer number (111222687).

Almost surely, 2^222445373 is an apocalyptic number.

It is an amenable number.

222445373 is a deficient number, since it is larger than the sum of its proper divisors (1).

222445373 is an equidigital number, since it uses as much as digits as its factorization.

222445373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 32.

The square root of 222445373 is about 14914.6026765717. The cubic root of 222445373 is about 605.9095423876.

Adding to 222445373 its reverse (373544222), we get a palindrome (595989595).

The spelling of 222445373 in words is "two hundred twenty-two million, four hundred forty-five thousand, three hundred seventy-three".