2002122002 has 8 divisors (see below), whose sum is σ = 3005662476. Its totient is φ = 1000234512.

The previous prime is 2002121999. The next prime is 2002122007. The reversal of 2002122002 is 2002212002.

It can be written as a sum of positive squares in 2 ways, for example, as 1858385881 + 143736121 = 43109^2 + 11989^2 .

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 (2002122007) 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, 410213 + ... + 415064.

Almost surely, 2^2002122002 is an apocalyptic number.

2002122002 is a deficient number, since it is larger than the sum of its proper divisors (1003540474).

2002122002 is a wasteful number, since it uses less digits than its factorization.

2002122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826492.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2002122002 is about 44745.0779639504. The cubic root of 2002122002 is about 1260.3664848943.

Adding to 2002122002 its reverse (2002212002), we get a palindrome (4004334004).

Subtracting 2002122002 from its reverse (2002212002), we obtain a square (90000 = 300²).

The spelling of 2002122002 in words is "two billion, two million, one hundred twenty-two thousand, two".