45350221 has 4 divisors (see below), whose sum is σ = 51828832. Its totient is φ = 38871612.

The previous prime is 45350219. The next prime is 45350231. The reversal of 45350221 is 12205354.

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 45350221 - 2¹ = 45350219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45350192 and 45350201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45350231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3239295 + ... + 3239308.

It is an arithmetic number, because the mean of its divisors is an integer number (12957208).

Almost surely, 2^45350221 is an apocalyptic number.

It is an amenable number.

45350221 is a deficient number, since it is larger than the sum of its proper divisors (6478611).

45350221 is an equidigital number, since it uses as much as digits as its factorization.

45350221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478610.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45350221 is about 6734.2572715928. The cubic root of 45350221 is about 356.6096867468.

Adding to 45350221 its reverse (12205354), we get a palindrome (57555575).

The spelling of 45350221 in words is "forty-five million, three hundred fifty thousand, two hundred twenty-one".