2142245204 has 48 divisors (see below), whose sum is σ = 4252416000. Its totient is φ = 935474400.

The previous prime is 2142245179. The next prime is 2142245239. The reversal of 2142245204 is 4025422412.

It is a super-2 number, since 2×2142245204² = 9178429028122003232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183947 + ... + 195245.

It is an arithmetic number, because the mean of its divisors is an integer number (88592000).

Almost surely, 2^2142245204 is an apocalyptic number.

It is an amenable number.

2142245204 is a deficient number, since it is larger than the sum of its proper divisors (2110170796).

2142245204 is a wasteful number, since it uses less digits than its factorization.

2142245204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11484 (or 11482 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2142245204 is about 46284.3948215811. The cubic root of 2142245204 is about 1289.1092550821.

Adding to 2142245204 its reverse (4025422412), we get a palindrome (6167667616).

The spelling of 2142245204 in words is "two billion, one hundred forty-two million, two hundred forty-five thousand, two hundred four".