222678073 has 2 divisors, whose sum is σ = 222678074. Its totient is φ = 222678072.

The previous prime is 222678047. The next prime is 222678083. The reversal of 222678073 is 370876222.

It is a happy number.

222678073 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 can be written as a sum of positive squares in only one way, i.e., 134374464 + 88303609 = 11592^2 + 9397^2 .

It is a cyclic number.

It is not a de Polignac number, because 222678073 - 2⁵ = 222678041 is a prime.

It is not a weakly prime, because it can be changed into another prime (222678013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111339036 + 111339037.

It is an arithmetic number, because the mean of its divisors is an integer number (111339037).

Almost surely, 2^222678073 is an apocalyptic number.

It is an amenable number.

222678073 is a deficient number, since it is larger than the sum of its proper divisors (1).

222678073 is an equidigital number, since it uses as much as digits as its factorization.

222678073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 222678073 is about 14922.4017168819. The cubic root of 222678073 is about 606.1207493193.

The spelling of 222678073 in words is "two hundred twenty-two million, six hundred seventy-eight thousand, seventy-three".