46343221 has 4 divisors (see below), whose sum is σ = 46753452. Its totient is φ = 45932992.

The previous prime is 46343201. The next prime is 46343237. The reversal of 46343221 is 12234364.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 44422225 = 1386^2 + 6665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46343221 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 (46343201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204946 + ... + 205171.

It is an arithmetic number, because the mean of its divisors is an integer number (11688363).

Almost surely, 2^46343221 is an apocalyptic number.

It is an amenable number.

46343221 is a deficient number, since it is larger than the sum of its proper divisors (410231).

46343221 is a wasteful number, since it uses less digits than its factorization.

46343221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410230.

The product of its digits is 3456, while the sum is 25.

The square root of 46343221 is about 6807.5855484893. The cubic root of 46343221 is about 359.1937228257.

Adding to 46343221 its reverse (12234364), we get a palindrome (58577585).

It can be divided in two parts, 46343 and 221, that added together give a palindrome (46564).

The spelling of 46343221 in words is "forty-six million, three hundred forty-three thousand, two hundred twenty-one".