213414442 has 16 divisors (see below), whose sum is σ = 322369992. Its totient is φ = 105960960.

The previous prime is 213414437. The next prime is 213414449. The reversal of 213414442 is 244414312.

It can be written as a sum of positive squares in 4 ways, for example, as 190191681 + 23222761 = 13791^2 + 4819^2 .

It is not an unprimeable number, because it can be changed into a prime (213414449) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 242908 + ... + 243784.

Almost surely, 2^213414442 is an apocalyptic number.

213414442 is a deficient number, since it is larger than the sum of its proper divisors (108955550).

213414442 is a wasteful number, since it uses less digits than its factorization.

213414442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

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

The square root of 213414442 is about 14608.7111683406. The cubic root of 213414442 is about 597.5963484386.

Adding to 213414442 its reverse (244414312), we get a palindrome (457828754).

The spelling of 213414442 in words is "two hundred thirteen million, four hundred fourteen thousand, four hundred forty-two".