221544213225043 has 8 divisors (see below), whose sum is σ = 231184372354848. Its totient is φ = 211904704264704.

The previous prime is 221544213224959. The next prime is 221544213225113. The reversal of 221544213225043 is 340522312445122.

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 221544213225043 - 2¹⁷ = 221544213093971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221544213224987 and 221544213225005.

It is not an unprimeable number, because it can be changed into a prime (221544213265043) 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, 161845980 + ... + 163209097.

It is an arithmetic number, because the mean of its divisors is an integer number (28898046544356).

Almost surely, 2^{221544213225043} is an apocalyptic number.

221544213225043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221544213225043 is a deficient number, since it is larger than the sum of its proper divisors (9640159129805).

221544213225043 is a wasteful number, since it uses less digits than its factorization.

221544213225043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325084733.

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 221544213225043 in words is "two hundred twenty-one trillion, five hundred forty-four billion, two hundred thirteen million, two hundred twenty-five thousand, forty-three".