2031222004 has 24 divisors (see below), whose sum is σ = 4172241920. Its totient is φ = 846995616.

The previous prime is 2031221971. The next prime is 2031222073. The reversal of 2031222004 is 4002221302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979284 + ... + 981355.

Almost surely, 2^2031222004 is an apocalyptic number.

It is an amenable number.

2031222004 is an abundant number, since it is smaller than the sum of its proper divisors (2141019916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031222004 is a wasteful number, since it uses less digits than its factorization.

2031222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960687 (or 1960685 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2031222004 is about 45069.0803544958. The cubic root of 2031222004 is about 1266.4434364078.

Adding to 2031222004 its reverse (4002221302), we get a palindrome (6033443306).

The spelling of 2031222004 in words is "two billion, thirty-one million, two hundred twenty-two thousand, four".