1445223224 has 64 divisors (see below), whose sum is σ = 2879815680. Its totient is φ = 678960000.

The previous prime is 1445223223. The next prime is 1445223229. The reversal of 1445223224 is 4223225441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445223223) 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, 1255049 + ... + 1256199.

It is an arithmetic number, because the mean of its divisors is an integer number (44997120).

Almost surely, 2^1445223224 is an apocalyptic number.

It is an amenable number.

1445223224 is a deficient number, since it is larger than the sum of its proper divisors (1434592456).

1445223224 is a wasteful number, since it uses less digits than its factorization.

1445223224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1328 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 1445223224 is about 38016.0916455124. The cubic root of 1445223224 is about 1130.6069321569.

Adding to 1445223224 its reverse (4223225441), we get a palindrome (5668448665).

The spelling of 1445223224 in words is "one billion, four hundred forty-five million, two hundred twenty-three thousand, two hundred twenty-four".