1445222332 has 24 divisors (see below), whose sum is σ = 2557719360. Its totient is φ = 714465600.

The previous prime is 1445222329. The next prime is 1445222341. The reversal of 1445222332 is 2332225441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445222332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352269 + ... + 356347.

It is an arithmetic number, because the mean of its divisors is an integer number (106571640).

Almost surely, 2^1445222332 is an apocalyptic number.

It is an amenable number.

1445222332 is a deficient number, since it is larger than the sum of its proper divisors (1112497028).

1445222332 is a wasteful number, since it uses less digits than its factorization.

1445222332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061 (or 5059 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 1445222332 is about 38016.0799136365. The cubic root of 1445222332 is about 1130.6066995512.

Adding to 1445222332 its reverse (2332225441), we get a palindrome (3777447773).

The spelling of 1445222332 in words is "one billion, four hundred forty-five million, two hundred twenty-two thousand, three hundred thirty-two".