46556221 has 8 divisors (see below), whose sum is σ = 47117664. Its totient is φ = 45998160.

The previous prime is 46556177. The next prime is 46556227. The reversal of 46556221 is 12265564.

46556221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 46556221 - 2²⁵ = 13001789 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 (46556227) 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 7 ways as a sum of consecutive naturals, for example, 35646 + ... + 36928.

It is an arithmetic number, because the mean of its divisors is an integer number (5889708).

Almost surely, 2^46556221 is an apocalyptic number.

It is an amenable number.

46556221 is a deficient number, since it is larger than the sum of its proper divisors (561443).

46556221 is a wasteful number, since it uses less digits than its factorization.

46556221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its digits is 14400, while the sum is 31.

The square root of 46556221 is about 6823.2119269447. The cubic root of 46556221 is about 359.7431836057.

The spelling of 46556221 in words is "forty-six million, five hundred fifty-six thousand, two hundred twenty-one".