464435221 has 8 divisors (see below), whose sum is σ = 490001600. Its totient is φ = 438981120.

The previous prime is 464435177. The next prime is 464435227. The reversal of 464435221 is 122534464.

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 464435221 - 2⁷ = 464435093 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 (464435227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19500 + ... + 36181.

It is an arithmetic number, because the mean of its divisors is an integer number (61250200).

Almost surely, 2^464435221 is an apocalyptic number.

It is an amenable number.

464435221 is a deficient number, since it is larger than the sum of its proper divisors (25566379).

464435221 is a wasteful number, since it uses less digits than its factorization.

464435221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56139.

The product of its digits is 23040, while the sum is 31.

The square root of 464435221 is about 21550.7591745627. The cubic root of 464435221 is about 774.4173051866.

Adding to 464435221 its reverse (122534464), we get a palindrome (586969685).

The spelling of 464435221 in words is "four hundred sixty-four million, four hundred thirty-five thousand, two hundred twenty-one".