2142228813 has 4 divisors (see below), whose sum is σ = 2856305088. Its totient is φ = 1428152540.

The previous prime is 2142228799. The next prime is 2142228841. The reversal of 2142228813 is 3188222412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2142228813 - 2⁴ = 2142228797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142228863) 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, 357038133 + ... + 357038138.

It is an arithmetic number, because the mean of its divisors is an integer number (714076272).

Almost surely, 2^2142228813 is an apocalyptic number.

It is an amenable number.

2142228813 is a deficient number, since it is larger than the sum of its proper divisors (714076275).

2142228813 is an equidigital number, since it uses as much as digits as its factorization.

2142228813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714076274.

The product of its digits is 12288, while the sum is 33.

The square root of 2142228813 is about 46284.2177529231. The cubic root of 2142228813 is about 1289.1059672786.

The spelling of 2142228813 in words is "two billion, one hundred forty-two million, two hundred twenty-eight thousand, eight hundred thirteen".