2001022204 has 6 divisors (see below), whose sum is σ = 3501788864. Its totient is φ = 1000511100.

The previous prime is 2001022187. The next prime is 2001022211. The reversal of 2001022204 is 4022201002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250127772 + ... + 250127779.

Almost surely, 2^2001022204 is an apocalyptic number.

It is an amenable number.

2001022204 is a deficient number, since it is larger than the sum of its proper divisors (1500766660).

2001022204 is a wasteful number, since it uses less digits than its factorization.

2001022204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500255555 (or 500255553 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2001022204 is about 44732.7866782296. The cubic root of 2001022204 is about 1260.1356627255.

Adding to 2001022204 its reverse (4022201002), we get a palindrome (6023223206).

The spelling of 2001022204 in words is "two billion, one million, twenty-two thousand, two hundred four".