445032222 has 32 divisors (see below), whose sum is σ = 953793792. Its totient is φ = 137933184.

The previous prime is 445032209. The next prime is 445032223. The reversal of 445032222 is 222230544.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 445032192 and 445032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445032223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17818 + ... + 34749.

It is an arithmetic number, because the mean of its divisors is an integer number (29806056).

Almost surely, 2^445032222 is an apocalyptic number.

445032222 is an abundant number, since it is smaller than the sum of its proper divisors (508761570).

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

445032222 is a wasteful number, since it uses less digits than its factorization.

445032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52672.

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

The square root of 445032222 is about 21095.7868305498. The cubic root of 445032222 is about 763.4790988429.

Adding to 445032222 its reverse (222230544), we get a palindrome (667262766).

The spelling of 445032222 in words is "four hundred forty-five million, thirty-two thousand, two hundred twenty-two".