45223213 has 16 divisors (see below), whose sum is σ = 56208384. Its totient is φ = 35493120.

The previous prime is 45223207. The next prime is 45223219. The reversal of 45223213 is 31232254.

It is an interprime number because it is at equal distance from previous prime (45223207) and next prime (45223219).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45223213 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 (45223219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733 + ... + 9538.

It is an arithmetic number, because the mean of its divisors is an integer number (3513024).

Almost surely, 2^45223213 is an apocalyptic number.

It is an amenable number.

45223213 is a deficient number, since it is larger than the sum of its proper divisors (10985171).

45223213 is a wasteful number, since it uses less digits than its factorization.

45223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10332.

The product of its digits is 1440, while the sum is 22.

The square root of 45223213 is about 6724.8206667539. The cubic root of 45223213 is about 356.2764680037.

Adding to 45223213 its reverse (31232254), we get a palindrome (76455467).

The spelling of 45223213 in words is "forty-five million, two hundred twenty-three thousand, two hundred thirteen".