4152225543221 has 4 divisors (see below), whose sum is σ = 4745400620832. Its totient is φ = 3559050465612.

The previous prime is 4152225543199. The next prime is 4152225543289. The reversal of 4152225543221 is 1223455222514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4152225543221 - 2³⁸ = 3877347636277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4152825543221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296587538795 + ... + 296587538808.

It is an arithmetic number, because the mean of its divisors is an integer number (1186350155208).

Almost surely, 2^{4152225543221} is an apocalyptic number.

It is an amenable number.

4152225543221 is a deficient number, since it is larger than the sum of its proper divisors (593175077611).

4152225543221 is an equidigital number, since it uses as much as digits as its factorization.

4152225543221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593175077610.

The product of its digits is 192000, while the sum is 38.

The spelling of 4152225543221 in words is "four trillion, one hundred fifty-two billion, two hundred twenty-five million, five hundred forty-three thousand, two hundred twenty-one".