445111222 has 16 divisors (see below), whose sum is σ = 688297680. Its totient is φ = 215782272.

The previous prime is 445111213. The next prime is 445111259. The reversal of 445111222 is 222111544.

It is a junction number, because it is equal to n+sod(n) for n = 445111193 and 445111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17223 + ... + 34450.

It is an arithmetic number, because the mean of its divisors is an integer number (43018605).

Almost surely, 2^445111222 is an apocalyptic number.

445111222 is a deficient number, since it is larger than the sum of its proper divisors (243186458).

445111222 is a wasteful number, since it uses less digits than its factorization.

445111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51807.

The product of its digits is 640, while the sum is 22.

The square root of 445111222 is about 21097.6591592527. The cubic root of 445111222 is about 763.5242725608.

Adding to 445111222 its reverse (222111544), we get a palindrome (667222766).

The spelling of 445111222 in words is "four hundred forty-five million, one hundred eleven thousand, two hundred twenty-two".