466913221 has 4 divisors (see below), whose sum is σ = 477771712. Its totient is φ = 456054732.

The previous prime is 466913191. The next prime is 466913233. The reversal of 466913221 is 122319664.

It is a happy number.

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 not a de Polignac number, because 466913221 - 2⁵ = 466913189 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 (466913281) 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, 5429181 + ... + 5429266.

It is an arithmetic number, because the mean of its divisors is an integer number (119442928).

Almost surely, 2^466913221 is an apocalyptic number.

It is an amenable number.

466913221 is a deficient number, since it is larger than the sum of its proper divisors (10858491).

466913221 is a wasteful number, since it uses less digits than its factorization.

466913221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10858490.

The product of its digits is 15552, while the sum is 34.

The square root of 466913221 is about 21608.1748650829. The cubic root of 466913221 is about 775.7921673245.

The spelling of 466913221 in words is "four hundred sixty-six million, nine hundred thirteen thousand, two hundred twenty-one".