221422005035453 has 2 divisors, whose sum is σ = 221422005035454. Its totient is φ = 221422005035452.

The previous prime is 221422005035443. The next prime is 221422005035479. The reversal of 221422005035453 is 354530500224122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214869951184249 + 6552053851204 = 14658443^2 + 2559698^2 .

It is a cyclic number.

It is not a de Polignac number, because 221422005035453 - 2²⁸ = 221421736599997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221422005035443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110711002517726 + 110711002517727.

It is an arithmetic number, because the mean of its divisors is an integer number (110711002517727).

Almost surely, 2^{221422005035453} is an apocalyptic number.

It is an amenable number.

221422005035453 is a deficient number, since it is larger than the sum of its proper divisors (1).

221422005035453 is an equidigital number, since it uses as much as digits as its factorization.

221422005035453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 221422005035453 its reverse (354530500224122), we get a palindrome (575952505259575).

The spelling of 221422005035453 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, five million, thirty-five thousand, four hundred fifty-three".