213441442 has 8 divisors (see below), whose sum is σ = 320832000. Its totient is φ = 106497444.

The previous prime is 213441439. The next prime is 213441451. The reversal of 213441442 is 244144312.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 110442 + ... + 112357.

It is an arithmetic number, because the mean of its divisors is an integer number (40104000).

Almost surely, 2^213441442 is an apocalyptic number.

213441442 is a deficient number, since it is larger than the sum of its proper divisors (107390558).

213441442 is a wasteful number, since it uses less digits than its factorization.

213441442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223280.

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

The square root of 213441442 is about 14609.6352452756. The cubic root of 213441442 is about 597.6215488903.

Adding to 213441442 its reverse (244144312), we get a palindrome (457585754).

The spelling of 213441442 in words is "two hundred thirteen million, four hundred forty-one thousand, four hundred forty-two".