468864221 has 4 divisors (see below), whose sum is σ = 535844832. Its totient is φ = 401883612.

The previous prime is 468864173. The next prime is 468864251. The reversal of 468864221 is 122468864.

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 468864221 - 2¹⁴ = 468847837 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 (468864251) 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, 33490295 + ... + 33490308.

It is an arithmetic number, because the mean of its divisors is an integer number (133961208).

Almost surely, 2^468864221 is an apocalyptic number.

It is an amenable number.

468864221 is a deficient number, since it is larger than the sum of its proper divisors (66980611).

468864221 is an equidigital number, since it uses as much as digits as its factorization.

468864221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66980610.

The product of its digits is 147456, while the sum is 41.

The square root of 468864221 is about 21653.2727549440. The cubic root of 468864221 is about 776.8712166895.

The spelling of 468864221 in words is "four hundred sixty-eight million, eight hundred sixty-four thousand, two hundred twenty-one".