4223445 has 8 divisors (see below), whose sum is σ = 6757536. Its totient is φ = 2252496.

The previous prime is 4223441. The next prime is 4223459. The reversal of 4223445 is 5443224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4223445 - 2² = 4223441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140767 + ... + 140796.

It is an arithmetic number, because the mean of its divisors is an integer number (844692).

Almost surely, 2^4223445 is an apocalyptic number.

It is an amenable number.

4223445 is a deficient number, since it is larger than the sum of its proper divisors (2534091).

4223445 is a wasteful number, since it uses less digits than its factorization.

4223445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281571.

The product of its digits is 3840, while the sum is 24.

The square root of 4223445 is about 2055.1021872403. The cubic root of 4223445 is about 161.6425206909.

Adding to 4223445 its reverse (5443224), we get a palindrome (9666669).

The spelling of 4223445 in words is "four million, two hundred twenty-three thousand, four hundred forty-five".