2445221024 has 12 divisors (see below), whose sum is σ = 4814028954. Its totient is φ = 1222610496.

The previous prime is 2445221021. The next prime is 2445221041. The reversal of 2445221024 is 4201225442.

It can be written as a sum of positive squares in only one way, i.e., 1765680400 + 679540624 = 42020^2 + 26068^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2445220984 and 2445221002.

It is not an unprimeable number, because it can be changed into a prime (2445221021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38206547 + ... + 38206610.

Almost surely, 2^2445221024 is an apocalyptic number.

It is an amenable number.

2445221024 is a deficient number, since it is larger than the sum of its proper divisors (2368807930).

2445221024 is an equidigital number, since it uses as much as digits as its factorization.

2445221024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76413167 (or 76413159 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2445221024 is about 49449.1761710951. The cubic root of 2445221024 is about 1347.2226437875. Note that the first 3 decimals are identical.

Adding to 2445221024 its reverse (4201225442), we get a palindrome (6646446466).

The spelling of 2445221024 in words is "two billion, four hundred forty-five million, two hundred twenty-one thousand, twenty-four".