2445222002 has 8 divisors (see below), whose sum is σ = 3668653296. Its totient is φ = 1222337572.

The previous prime is 2445221993. The next prime is 2445222007. The reversal of 2445222002 is 2002225442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2445222002² = 11958221278129776008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2445222007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125348 + ... + 143535.

It is an arithmetic number, because the mean of its divisors is an integer number (458581662).

Almost surely, 2^2445222002 is an apocalyptic number.

2445222002 is a deficient number, since it is larger than the sum of its proper divisors (1223431294).

2445222002 is a wasteful number, since it uses less digits than its factorization.

2445222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273432.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2445222002 is about 49449.1860600354. The cubic root of 2445222002 is about 1347.2228234009. Note that the first 3 decimals are identical.

Adding to 2445222002 its reverse (2002225442), we get a palindrome (4447447444).

The spelling of 2445222002 in words is "two billion, four hundred forty-five million, two hundred twenty-two thousand, two".