44402002 has 4 divisors (see below), whose sum is σ = 66603006. Its totient is φ = 22201000.

The previous prime is 44401999. The next prime is 44402009. The reversal of 44402002 is 20020444.

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., 34798201 + 9603801 = 5899^2 + 3099^2 .

It is not an unprimeable number, because it can be changed into a prime (44402009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100499 + ... + 11100502.

Almost surely, 2^44402002 is an apocalyptic number.

44402002 is a deficient number, since it is larger than the sum of its proper divisors (22201004).

44402002 is a wasteful number, since it uses less digits than its factorization.

44402002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22201003.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 44402002 is about 6663.4827230210. The cubic root of 44402002 is about 354.1067325818.

Adding to 44402002 its reverse (20020444), we get a palindrome (64422446).

It can be divided in two parts, 4440200 and 2, that multiplied together give a square (8880400 = 2980²).

The spelling of 44402002 in words is "forty-four million, four hundred two thousand, two".