46718221 has 12 divisors (see below), whose sum is σ = 53587296. Its totient is φ = 40622120.

The previous prime is 46718219. The next prime is 46718237. The reversal of 46718221 is 12281764.

46718221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46718221 - 2¹ = 46718219 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 (46718251) 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, 5611 + ... + 11176.

It is an arithmetic number, because the mean of its divisors is an integer number (4465608).

Almost surely, 2^46718221 is an apocalyptic number.

It is an amenable number.

46718221 is a deficient number, since it is larger than the sum of its proper divisors (6869075).

46718221 is a wasteful number, since it uses less digits than its factorization.

46718221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16832 (or 16821 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 46718221 is about 6835.0728598896. The cubic root of 46718221 is about 360.1599623480.

Adding to 46718221 its reverse (12281764), we get a palindrome (58999985).

The spelling of 46718221 in words is "forty-six million, seven hundred eighteen thousand, two hundred twenty-one".