445222230 has 16 divisors (see below), whose sum is σ = 1068533424. Its totient is φ = 118725920.

The previous prime is 445222229. The next prime is 445222237. The reversal of 445222230 is 32222544.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 445222230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445222237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7420341 + ... + 7420400.

It is an arithmetic number, because the mean of its divisors is an integer number (66783339).

Almost surely, 2^445222230 is an apocalyptic number.

445222230 is an abundant number, since it is smaller than the sum of its proper divisors (623311194).

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

445222230 is a wasteful number, since it uses less digits than its factorization.

445222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14840751.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 445222230 is about 21100.2898084363. The cubic root of 445222230 is about 763.5877400369.

Adding to 445222230 its reverse (32222544), we get a palindrome (477444774).

The spelling of 445222230 in words is "four hundred forty-five million, two hundred twenty-two thousand, two hundred thirty".