444521122 has 4 divisors (see below), whose sum is σ = 666781686. Its totient is φ = 222260560.

The previous prime is 444521113. The next prime is 444521137. The reversal of 444521122 is 221125444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 441462121 + 3059001 = 21011^2 + 1749^2 .

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 as a sum of consecutive naturals, namely, 111130279 + ... + 111130282.

Almost surely, 2^444521122 is an apocalyptic number.

444521122 is a deficient number, since it is larger than the sum of its proper divisors (222260564).

444521122 is a wasteful number, since it uses less digits than its factorization.

444521122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222260563.

The product of its digits is 2560, while the sum is 25.

The square root of 444521122 is about 21083.6695572664. The cubic root of 444521122 is about 763.1867127902.

Adding to 444521122 its reverse (221125444), we get a palindrome (665646566).

The spelling of 444521122 in words is "four hundred forty-four million, five hundred twenty-one thousand, one hundred twenty-two".