466154221 has 12 divisors (see below), whose sum is σ = 513336960. Its totient is φ = 422994000.

The previous prime is 466154191. The next prime is 466154233. The reversal of 466154221 is 122451664.

It is a happy number.

It is not a de Polignac number, because 466154221 - 2¹¹ = 466152173 is a prime.

It is a super-2 number, since 2×466154221² = 434599515512233682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (466154291) 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, 13405 + ... + 33346.

It is an arithmetic number, because the mean of its divisors is an integer number (42778080).

Almost surely, 2^466154221 is an apocalyptic number.

It is an amenable number.

466154221 is a deficient number, since it is larger than the sum of its proper divisors (47182739).

466154221 is a wasteful number, since it uses less digits than its factorization.

466154221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46836 (or 46823 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 466154221 is about 21590.6049243647. The cubic root of 466154221 is about 775.3715712506.

The spelling of 466154221 in words is "four hundred sixty-six million, one hundred fifty-four thousand, two hundred twenty-one".