46332221 has 4 divisors (see below), whose sum is σ = 49896252. Its totient is φ = 42768192.

The previous prime is 46332163. The next prime is 46332263. The reversal of 46332221 is 12223364.

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 13039321 + 33292900 = 3611^2 + 5770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46332221 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 (46332721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1781996 + ... + 1782021.

It is an arithmetic number, because the mean of its divisors is an integer number (12474063).

Almost surely, 2^46332221 is an apocalyptic number.

It is an amenable number.

46332221 is a deficient number, since it is larger than the sum of its proper divisors (3564031).

46332221 is a wasteful number, since it uses less digits than its factorization.

46332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564030.

The product of its digits is 1728, while the sum is 23.

The square root of 46332221 is about 6806.7775782671. Note that the first 3 decimals coincide. The cubic root of 46332221 is about 359.1653012391.

Adding to 46332221 its reverse (12223364), we get a palindrome (58555585).

The spelling of 46332221 in words is "forty-six million, three hundred thirty-two thousand, two hundred twenty-one".