468616221 has 6 divisors (see below), whose sum is σ = 676890110. Its totient is φ = 312410808.

The previous prime is 468616207. The next prime is 468616223. The reversal of 468616221 is 122616864.

It can be written as a sum of positive squares in only one way, i.e., 399560121 + 69056100 = 19989^2 + 8310^2 .

It is not a de Polignac number, because 468616221 - 2¹¹ = 468614173 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 (468616223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26034226 + ... + 26034243.

Almost surely, 2^468616221 is an apocalyptic number.

It is an amenable number.

468616221 is a deficient number, since it is larger than the sum of its proper divisors (208273889).

468616221 is a wasteful number, since it uses less digits than its factorization.

468616221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52068475 (or 52068472 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 468616221 is about 21647.5453804814. The cubic root of 468616221 is about 776.7342203537.

The spelling of 468616221 in words is "four hundred sixty-eight million, six hundred sixteen thousand, two hundred twenty-one".