445222214 has 8 divisors (see below), whose sum is σ = 707117688. Its totient is φ = 209516320.

The previous prime is 445222213. The next prime is 445222223. The reversal of 445222214 is 412222544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6547352 + ... + 6547419.

It is an arithmetic number, because the mean of its divisors is an integer number (88389711).

Almost surely, 2^445222214 is an apocalyptic number.

445222214 is a deficient number, since it is larger than the sum of its proper divisors (261895474).

445222214 is a wasteful number, since it uses less digits than its factorization.

445222214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13094790.

The product of its digits is 5120, while the sum is 26.

The square root of 445222214 is about 21100.2894292946. The cubic root of 445222214 is about 763.5877308898.

Adding to 445222214 its reverse (412222544), we get a palindrome (857444758).

The spelling of 445222214 in words is "four hundred forty-five million, two hundred twenty-two thousand, two hundred fourteen".