2002244402 has 8 divisors (see below), whose sum is σ = 3033103212. Its totient is φ = 991210000.

The previous prime is 2002244347. The next prime is 2002244407. The reversal of 2002244402 is 2044422002.

It can be written as a sum of positive squares in 2 ways, for example, as 1851666961 + 150577441 = 43031^2 + 12271^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2002244407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4955849 + ... + 4956252.

Almost surely, 2^2002244402 is an apocalyptic number.

2002244402 is a deficient number, since it is larger than the sum of its proper divisors (1030858810).

2002244402 is a wasteful number, since it uses less digits than its factorization.

2002244402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912204.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2002244402 is about 44746.4456912502. The cubic root of 2002244402 is about 1260.3921685962.

Adding to 2002244402 its reverse (2044422002), we get a palindrome (4046666404).

The spelling of 2002244402 in words is "two billion, two million, two hundred forty-four thousand, four hundred two".