222645043 has 2 divisors, whose sum is σ = 222645044. Its totient is φ = 222645042.

The previous prime is 222645001. The next prime is 222645061. The reversal of 222645043 is 340546222.

222645043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222645043 - 2¹⁷ = 222513971 is a prime.

It is not a weakly prime, because it can be changed into another prime (222645343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111322521 + 111322522.

It is an arithmetic number, because the mean of its divisors is an integer number (111322522).

Almost surely, 2^222645043 is an apocalyptic number.

222645043 is a deficient number, since it is larger than the sum of its proper divisors (1).

222645043 is an equidigital number, since it uses as much as digits as its factorization.

222645043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 222645043 is about 14921.2949505061. The cubic root of 222645043 is about 606.0907790607.

The spelling of 222645043 in words is "two hundred twenty-two million, six hundred forty-five thousand, forty-three".