222021012687713 has 2 divisors, whose sum is σ = 222021012687714. Its totient is φ = 222021012687712.

The previous prime is 222021012687689. The next prime is 222021012687779. The reversal of 222021012687713 is 317786210120222.

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., 198421509371089 + 23599503316624 = 14086217^2 + 4857932^2 .

It is a cyclic number.

It is not a de Polignac number, because 222021012687713 - 2³⁸ = 221746134780769 is a prime.

It is a super-2 number, since 2×222021012687713² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222021012680713) 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, 111010506343856 + 111010506343857.

It is an arithmetic number, because the mean of its divisors is an integer number (111010506343857).

Almost surely, 2^{222021012687713} is an apocalyptic number.

It is an amenable number.

222021012687713 is a deficient number, since it is larger than the sum of its proper divisors (1).

222021012687713 is an equidigital number, since it uses as much as digits as its factorization.

222021012687713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 222021012687713 in words is "two hundred twenty-two trillion, twenty-one billion, twelve million, six hundred eighty-seven thousand, seven hundred thirteen".