222505039 has 2 divisors, whose sum is σ = 222505040. Its totient is φ = 222505038.

The previous prime is 222505021. The next prime is 222505051. The reversal of 222505039 is 930505222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222505039 - 2⁵ = 222505007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222504998 and 222505016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222505739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111252519 + 111252520.

It is an arithmetic number, because the mean of its divisors is an integer number (111252520).

Almost surely, 2^222505039 is an apocalyptic number.

222505039 is a deficient number, since it is larger than the sum of its proper divisors (1).

222505039 is an equidigital number, since it uses as much as digits as its factorization.

222505039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 222505039 is about 14916.6027968837. The cubic root of 222505039 is about 605.9637114426.

The spelling of 222505039 in words is "two hundred twenty-two million, five hundred five thousand, thirty-nine".