46323221 has 4 divisors (see below), whose sum is σ = 52940832. Its totient is φ = 39705612.

The previous prime is 46323203. The next prime is 46323227. The reversal of 46323221 is 12232364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46323221 - 2¹⁴ = 46306837 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 (46323227) 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, 3308795 + ... + 3308808.

It is an arithmetic number, because the mean of its divisors is an integer number (13235208).

Almost surely, 2^46323221 is an apocalyptic number.

It is an amenable number.

46323221 is a deficient number, since it is larger than the sum of its proper divisors (6617611).

46323221 is an equidigital number, since it uses as much as digits as its factorization.

46323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617610.

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

The square root of 46323221 is about 6806.1164403792. The cubic root of 46323221 is about 359.1420438676.

Adding to 46323221 its reverse (12232364), we get a palindrome (58555585).

The spelling of 46323221 in words is "forty-six million, three hundred twenty-three thousand, two hundred twenty-one".