221450414613223 has 8 divisors (see below), whose sum is σ = 221903516065808. Its totient is φ = 220997426436864.

The previous prime is 221450414613149. The next prime is 221450414613229. The reversal of 221450414613223 is 322316414054122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221450414613223 - 2¹⁷ = 221450414482151 is a prime.

It is a super-2 number, since 2×221450414613223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221450414613229) 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 in 7 ways as a sum of consecutive naturals, for example, 24404586 + ... + 32225527.

It is an arithmetic number, because the mean of its divisors is an integer number (27737939508226).

Almost surely, 2^{221450414613223} is an apocalyptic number.

221450414613223 is a deficient number, since it is larger than the sum of its proper divisors (453101452585).

221450414613223 is an equidigital number, since it uses as much as digits as its factorization.

221450414613223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56638113.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 221450414613223 its reverse (322316414054122), we get a palindrome (543766828667345).

The spelling of 221450414613223 in words is "two hundred twenty-one trillion, four hundred fifty billion, four hundred fourteen million, six hundred thirteen thousand, two hundred twenty-three".