45227213 has 4 divisors (see below), whose sum is σ = 45864288. Its totient is φ = 44590140.

The previous prime is 45227173. The next prime is 45227227. The reversal of 45227213 is 31272254.

45227213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45227213 - 2¹⁰ = 45226189 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 (45227513) 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 3 ways as a sum of consecutive naturals, for example, 318431 + ... + 318572.

It is an arithmetic number, because the mean of its divisors is an integer number (11466072).

Almost surely, 2^45227213 is an apocalyptic number.

It is an amenable number.

45227213 is a deficient number, since it is larger than the sum of its proper divisors (637075).

45227213 is an equidigital number, since it uses as much as digits as its factorization.

45227213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637074.

The product of its digits is 3360, while the sum is 26.

The square root of 45227213 is about 6725.1180658781. The cubic root of 45227213 is about 356.2869719298.

Adding to 45227213 its reverse (31272254), we get a palindrome (76499467).

The spelling of 45227213 in words is "forty-five million, two hundred twenty-seven thousand, two hundred thirteen".