222477745821911 has 2 divisors, whose sum is σ = 222477745821912. Its totient is φ = 222477745821910.

The previous prime is 222477745821853. The next prime is 222477745821931. The reversal of 222477745821911 is 119128547774222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222477745821911 - 2³⁰ = 222476672080087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222477745821931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111238872910955 + 111238872910956.

It is an arithmetic number, because the mean of its divisors is an integer number (111238872910956).

Almost surely, 2^{222477745821911} is an apocalyptic number.

222477745821911 is a deficient number, since it is larger than the sum of its proper divisors (1).

222477745821911 is an equidigital number, since it uses as much as digits as its factorization.

222477745821911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31610880, while the sum is 62.

The spelling of 222477745821911 in words is "two hundred twenty-two trillion, four hundred seventy-seven billion, seven hundred forty-five million, eight hundred twenty-one thousand, nine hundred eleven".