244645122002 has 4 divisors (see below), whose sum is σ = 366967683006. Its totient is φ = 122322561000.

The previous prime is 244645121971. The next prime is 244645122013. The reversal of 244645122002 is 200221546442.

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., 184134533881 + 60510588121 = 429109^2 + 245989^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 244645122002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61161280499 + ... + 61161280502.

Almost surely, 2^244645122002 is an apocalyptic number.

244645122002 is a deficient number, since it is larger than the sum of its proper divisors (122322561004).

244645122002 is a wasteful number, since it uses less digits than its factorization.

244645122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122322561003.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 244645122002 its reverse (200221546442), we get a palindrome (444866668444).

The spelling of 244645122002 in words is "two hundred forty-four billion, six hundred forty-five million, one hundred twenty-two thousand, two".