222925139 has 2 divisors, whose sum is σ = 222925140. Its totient is φ = 222925138.

The previous prime is 222925133. The next prime is 222925151. The reversal of 222925139 is 931529222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222925139 - 2⁸ = 222924883 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 222925099 and 222925108.

It is not a weakly prime, because it can be changed into another prime (222925133) 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, 111462569 + 111462570.

It is an arithmetic number, because the mean of its divisors is an integer number (111462570).

Almost surely, 2^222925139 is an apocalyptic number.

222925139 is a deficient number, since it is larger than the sum of its proper divisors (1).

222925139 is an equidigital number, since it uses as much as digits as its factorization.

222925139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 222925139 is about 14930.6777809984. The cubic root of 222925139 is about 606.3448343656.

The spelling of 222925139 in words is "two hundred twenty-two million, nine hundred twenty-five thousand, one hundred thirty-nine".