445222214252 has 12 divisors (see below), whose sum is σ = 790112662416. Its totient is φ = 219475739280.

The previous prime is 445222214251. The next prime is 445222214291. The reversal of 445222214252 is 252412222544.

It is not an unprimeable number, because it can be changed into a prime (445222214251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 783841643 + ... + 783842210.

It is an arithmetic number, because the mean of its divisors is an integer number (65842721868).

Almost surely, 2^445222214252 is an apocalyptic number.

It is an amenable number.

445222214252 is a deficient number, since it is larger than the sum of its proper divisors (344890448164).

445222214252 is a wasteful number, since it uses less digits than its factorization.

445222214252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567683928 (or 1567683926 counting only the distinct ones).

The product of its digits is 102400, while the sum is 35.

Adding to 445222214252 its reverse (252412222544), we get a palindrome (697634436796).

The spelling of 445222214252 in words is "four hundred forty-five billion, two hundred twenty-two million, two hundred fourteen thousand, two hundred fifty-two".