213422341 has 6 divisors (see below), whose sum is σ = 234588326. Its totient is φ = 194020200.

The previous prime is 213422329. The next prime is 213422351. The reversal of 213422341 is 143224312.

It can be written as a sum of positive squares in only one way, i.e., 209236225 + 4186116 = 14465^2 + 2046^2 .

It is not a de Polignac number, because 213422341 - 2⁹ = 213421829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213422311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 881790 + ... + 882031.

Almost surely, 2^213422341 is an apocalyptic number.

It is an amenable number.

213422341 is a deficient number, since it is larger than the sum of its proper divisors (21165985).

213422341 is a wasteful number, since it uses less digits than its factorization.

213422341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763843 (or 1763832 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 213422341 is about 14608.9815182305. The cubic root of 213422341 is about 597.6037211907.

Adding to 213422341 its reverse (143224312), we get a palindrome (356646653).

The spelling of 213422341 in words is "two hundred thirteen million, four hundred twenty-two thousand, three hundred forty-one".