2221234004 has 24 divisors (see below), whose sum is σ = 4386765600. Its totient is φ = 974835680.

The previous prime is 2221233977. The next prime is 2221234021. The reversal of 2221234004 is 4004321222.

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, 869114 + ... + 871665.

It is an arithmetic number, because the mean of its divisors is an integer number (182781900).

Almost surely, 2^2221234004 is an apocalyptic number.

It is an amenable number.

2221234004 is a deficient number, since it is larger than the sum of its proper divisors (2165531596).

2221234004 is a wasteful number, since it uses less digits than its factorization.

2221234004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740823 (or 1740821 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2221234004 is about 47129.9692764593. The cubic root of 2221234004 is about 1304.7624145318.

Adding to 2221234004 its reverse (4004321222), we get a palindrome (6225555226).

The spelling of 2221234004 in words is "two billion, two hundred twenty-one million, two hundred thirty-four thousand, four".