1002212444 has 6 divisors (see below), whose sum is σ = 1753871784. Its totient is φ = 501106220.

The previous prime is 1002212411. The next prime is 1002212447. The reversal of 1002212444 is 4442122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002212447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125276552 + ... + 125276559.

It is an arithmetic number, because the mean of its divisors is an integer number (292311964).

Almost surely, 2^1002212444 is an apocalyptic number.

It is an amenable number.

1002212444 is a deficient number, since it is larger than the sum of its proper divisors (751659340).

1002212444 is a wasteful number, since it uses less digits than its factorization.

1002212444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250553115 (or 250553113 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1002212444 is about 31657.7390854116. The cubic root of 1002212444 is about 1000.7369381221.

Adding to 1002212444 its reverse (4442122001), we get a palindrome (5444334445).

The spelling of 1002212444 in words is "one billion, two million, two hundred twelve thousand, four hundred forty-four".