1445306220222 has 16 divisors (see below), whose sum is σ = 2920412569872. Its totient is φ = 476802051840.

The previous prime is 1445306220203. The next prime is 1445306220247. The reversal of 1445306220222 is 2220226035441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241671429 + ... + 1241672592.

It is an arithmetic number, because the mean of its divisors is an integer number (182525785617).

Almost surely, 2^{1445306220222} is an apocalyptic number.

1445306220222 is an abundant number, since it is smaller than the sum of its proper divisors (1475106349650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445306220222 is a wasteful number, since it uses less digits than its factorization.

1445306220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483344123.

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 1445306220222 in words is "one trillion, four hundred forty-five billion, three hundred six million, two hundred twenty thousand, two hundred twenty-two".