221422005035479 has 2 divisors, whose sum is σ = 221422005035480. Its totient is φ = 221422005035478.

The previous prime is 221422005035453. The next prime is 221422005035527. The reversal of 221422005035479 is 974530500224122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221422005035479 - 2²⁵ = 221421971481047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221422005032479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110711002517739 + 110711002517740.

It is an arithmetic number, because the mean of its divisors is an integer number (110711002517740).

Almost surely, 2^{221422005035479} is an apocalyptic number.

221422005035479 is a deficient number, since it is larger than the sum of its proper divisors (1).

221422005035479 is an equidigital number, since it uses as much as digits as its factorization.

221422005035479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 221422005035479 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, five million, thirty-five thousand, four hundred seventy-nine".