222477745821853 has 2 divisors, whose sum is σ = 222477745821854. Its totient is φ = 222477745821852.

The previous prime is 222477745821827. The next prime is 222477745821911. The reversal of 222477745821853 is 358128547774222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134926879334809 + 87550866487044 = 11615803^2 + 9356862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222477745821853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222477745021853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111238872910926 + 111238872910927.

It is an arithmetic number, because the mean of its divisors is an integer number (111238872910927).

Almost surely, 2^{222477745821853} is an apocalyptic number.

It is an amenable number.

222477745821853 is a deficient number, since it is larger than the sum of its proper divisors (1).

222477745821853 is an equidigital number, since it uses as much as digits as its factorization.

222477745821853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 421478400, while the sum is 67.

The spelling of 222477745821853 in words is "two hundred twenty-two trillion, four hundred seventy-seven billion, seven hundred forty-five million, eight hundred twenty-one thousand, eight hundred fifty-three".