464041221 has 12 divisors (see below), whose sum is σ = 719737632. Its totient is φ = 265166328.

The previous prime is 464041189. The next prime is 464041223. The reversal of 464041221 is 122140464.

It is a happy number.

It is not a de Polignac number, because 464041221 - 2⁵ = 464041189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 464041191 and 464041200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464041223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578225 + ... + 1578518.

It is an arithmetic number, because the mean of its divisors is an integer number (59978136).

Almost surely, 2^464041221 is an apocalyptic number.

It is an amenable number.

464041221 is a deficient number, since it is larger than the sum of its proper divisors (255696411).

464041221 is a wasteful number, since it uses less digits than its factorization.

464041221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156760 (or 3156753 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 464041221 is about 21541.6160257303. The cubic root of 464041221 is about 774.1982529361.

Adding to 464041221 its reverse (122140464), we get a palindrome (586181685).

The spelling of 464041221 in words is "four hundred sixty-four million, forty-one thousand, two hundred twenty-one".