22018470475457 has 2 divisors, whose sum is σ = 22018470475458. Its totient is φ = 22018470475456.

The previous prime is 22018470475411. The next prime is 22018470475549. The reversal of 22018470475457 is 75457407481022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21811132317121 + 207338158336 = 4670239^2 + 455344^2 .

It is a cyclic number.

It is not a de Polignac number, because 22018470475457 - 2¹⁶ = 22018470409921 is a prime.

It is not a weakly prime, because it can be changed into another prime (22018470435457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11009235237728 + 11009235237729.

It is an arithmetic number, because the mean of its divisors is an integer number (11009235237729).

Almost surely, 2^{22018470475457} is an apocalyptic number.

It is an amenable number.

22018470475457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22018470475457 is an equidigital number, since it uses as much as digits as its factorization.

22018470475457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17561600, while the sum is 56.

The spelling of 22018470475457 in words is "twenty-two trillion, eighteen billion, four hundred seventy million, four hundred seventy-five thousand, four hundred fifty-seven".