213022424 has 16 divisors (see below), whose sum is σ = 407916000. Its totient is φ = 104244832.

The previous prime is 213022363. The next prime is 213022451. The reversal of 213022424 is 424220312.

It is a junction number, because it is equal to n+sod(n) for n = 213022396 and 213022405.

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, 282899 + ... + 283650.

It is an arithmetic number, because the mean of its divisors is an integer number (25494750).

Almost surely, 2^213022424 is an apocalyptic number.

It is an amenable number.

213022424 is a deficient number, since it is larger than the sum of its proper divisors (194893576).

213022424 is a wasteful number, since it uses less digits than its factorization.

213022424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566602 (or 566598 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 213022424 is about 14595.2877326896. The cubic root of 213022424 is about 597.2302187128.

Adding to 213022424 its reverse (424220312), we get a palindrome (637242736).

The spelling of 213022424 in words is "two hundred thirteen million, twenty-two thousand, four hundred twenty-four".