213342244 has 6 divisors (see below), whose sum is σ = 373348934. Its totient is φ = 106671120.

The previous prime is 213342211. The next prime is 213342251. The reversal of 213342244 is 442243312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119639844 + 93702400 = 10938^2 + 9680^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26667777 + ... + 26667784.

Almost surely, 2^213342244 is an apocalyptic number.

It is an amenable number.

213342244 is a deficient number, since it is larger than the sum of its proper divisors (160006690).

213342244 is a wasteful number, since it uses less digits than its factorization.

213342244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53335565 (or 53335563 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 213342244 is about 14606.2398994402. The cubic root of 213342244 is about 597.5289519884.

Adding to 213342244 its reverse (442243312), we get a palindrome (655585556).

The spelling of 213342244 in words is "two hundred thirteen million, three hundred forty-two thousand, two hundred forty-four".