2213434381 has 2 divisors, whose sum is σ = 2213434382. Its totient is φ = 2213434380.

The previous prime is 2213434373. The next prime is 2213434427. The reversal of 2213434381 is 1834343122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2052905481 + 160528900 = 45309^2 + 12670^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213434381 - 2³ = 2213434373 is a prime.

It is a super-2 number, since 2×2213434381² = 9798583517985706322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2213434481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106717190 + 1106717191.

It is an arithmetic number, because the mean of its divisors is an integer number (1106717191).

Almost surely, 2^2213434381 is an apocalyptic number.

It is an amenable number.

2213434381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213434381 is an equidigital number, since it uses as much as digits as its factorization.

2213434381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 2213434381 is about 47047.1506151010. The cubic root of 2213434381 is about 1303.2334461568.

The spelling of 2213434381 in words is "two billion, two hundred thirteen million, four hundred thirty-four thousand, three hundred eighty-one".