4445231522 has 4 divisors (see below), whose sum is σ = 6667847286. Its totient is φ = 2222615760.

The previous prime is 4445231503. The next prime is 4445231533. The reversal of 4445231522 is 2251325444.

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., 4407764881 + 37466641 = 66391^2 + 6121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111307879 + ... + 1111307882.

Almost surely, 2^4445231522 is an apocalyptic number.

4445231522 is a deficient number, since it is larger than the sum of its proper divisors (2222615764).

4445231522 is a wasteful number, since it uses less digits than its factorization.

4445231522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222615763.

The product of its digits is 38400, while the sum is 32.

The square root of 4445231522 is about 66672.5694870087. The cubic root of 4445231522 is about 1644.2384321669.

Adding to 4445231522 its reverse (2251325444), we get a palindrome (6696556966).

The spelling of 4445231522 in words is "four billion, four hundred forty-five million, two hundred thirty-one thousand, five hundred twenty-two".