213441244 has 12 divisors (see below), whose sum is σ = 382632768. Its totient is φ = 104117600.

The previous prime is 213441227. The next prime is 213441251. The reversal of 213441244 is 442144312.

It is a super-3 number, since 3×213441244³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650572 + ... + 650899.

It is an arithmetic number, because the mean of its divisors is an integer number (31886064).

Almost surely, 2^213441244 is an apocalyptic number.

It is an amenable number.

213441244 is a deficient number, since it is larger than the sum of its proper divisors (169191524).

213441244 is a wasteful number, since it uses less digits than its factorization.

213441244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301516 (or 1301514 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 213441244 is about 14609.6284689242. The cubic root of 213441244 is about 597.6213640947.

Adding to 213441244 its reverse (442144312), we get a palindrome (655585556).

The spelling of 213441244 in words is "two hundred thirteen million, four hundred forty-one thousand, two hundred forty-four".