46552221 has 12 divisors (see below), whose sum is σ = 69561180. Its totient is φ = 29964480.

The previous prime is 46552199. The next prime is 46552229. The reversal of 46552221 is 12225564.

46552221 is a `hidden beast` number, since 4 + 655 + 2 + 2 + 2 + 1 = 666.

46552221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13616100 + 32936121 = 3690^2 + 5739^2 .

It is not a de Polignac number, because 46552221 - 2⁹ = 46551709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46552229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88920 + ... + 89441.

It is an arithmetic number, because the mean of its divisors is an integer number (5796765).

Almost surely, 2^46552221 is an apocalyptic number.

It is an amenable number.

46552221 is a deficient number, since it is larger than the sum of its proper divisors (23008959).

46552221 is a wasteful number, since it uses less digits than its factorization.

46552221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178396 (or 178393 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 46552221 is about 6822.9188035620. The cubic root of 46552221 is about 359.7328805505.

Adding to 46552221 its reverse (12225564), we get a palindrome (58777785).

The spelling of 46552221 in words is "forty-six million, five hundred fifty-two thousand, two hundred twenty-one".