1445212322 has 16 divisors (see below), whose sum is σ = 2182904640. Its totient is φ = 717586128.

The previous prime is 1445212297. The next prime is 1445212339. The reversal of 1445212322 is 2232125441.

It is a junction number, because it is equal to n+sod(n) for n = 1445212291 and 1445212300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635804 + ... + 638072.

It is an arithmetic number, because the mean of its divisors is an integer number (136431540).

Almost surely, 2^1445212322 is an apocalyptic number.

1445212322 is a deficient number, since it is larger than the sum of its proper divisors (737692318).

1445212322 is a wasteful number, since it uses less digits than its factorization.

1445212322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345.

The product of its digits is 3840, while the sum is 26.

The square root of 1445212322 is about 38015.9482585927. The cubic root of 1445212322 is about 1130.6040892494.

Adding to 1445212322 its reverse (2232125441), we get a palindrome (3677337763).

The spelling of 1445212322 in words is "one billion, four hundred forty-five million, two hundred twelve thousand, three hundred twenty-two".