222550547 has 2 divisors, whose sum is σ = 222550548. Its totient is φ = 222550546.

The previous prime is 222550543. The next prime is 222550561. The reversal of 222550547 is 745055222.

222550547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222550547 - 2² = 222550543 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222550543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111275273 + 111275274.

It is an arithmetic number, because the mean of its divisors is an integer number (111275274).

Almost surely, 2^222550547 is an apocalyptic number.

222550547 is a deficient number, since it is larger than the sum of its proper divisors (1).

222550547 is an equidigital number, since it uses as much as digits as its factorization.

222550547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 222550547 is about 14918.1281332478. The cubic root of 222550547 is about 606.0050203449.

The spelling of 222550547 in words is "two hundred twenty-two million, five hundred fifty thousand, five hundred forty-seven".