445542222 has 32 divisors (see below), whose sum is σ = 952342272. Its totient is φ = 138468224.

The previous prime is 445542211. The next prime is 445542241. The reversal of 445542222 is 222245544.

It is a self number, because there is not a number n which added to its sum of digits gives 445542222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9498 + ... + 31325.

It is an arithmetic number, because the mean of its divisors is an integer number (29760696).

Almost surely, 2^445542222 is an apocalyptic number.

445542222 is an abundant number, since it is smaller than the sum of its proper divisors (506800050).

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

445542222 is a wasteful number, since it uses less digits than its factorization.

445542222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40952.

The product of its digits is 25600, while the sum is 30.

The square root of 445542222 is about 21107.8710911356. The cubic root of 445542222 is about 763.7706325617.

Adding to 445542222 its reverse (222245544), we get a palindrome (667787766).

The spelling of 445542222 in words is "four hundred forty-five million, five hundred forty-two thousand, two hundred twenty-two".