213022616 has 16 divisors (see below), whose sum is σ = 410213040. Its totient is φ = 103632480.

The previous prime is 213022613. The next prime is 213022633. The reversal of 213022616 is 616220312.

It is a junction number, because it is equal to n+sod(n) for n = 213022591 and 213022600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213022613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359540 + ... + 360131.

It is an arithmetic number, because the mean of its divisors is an integer number (25638315).

Almost surely, 2^213022616 is an apocalyptic number.

It is an amenable number.

213022616 is a deficient number, since it is larger than the sum of its proper divisors (197190424).

213022616 is a wasteful number, since it uses less digits than its factorization.

213022616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719714 (or 719710 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 213022616 is about 14595.2943101535. The cubic root of 213022616 is about 597.2303981433.

Adding to 213022616 its reverse (616220312), we get a palindrome (829242928).

The spelling of 213022616 in words is "two hundred thirteen million, twenty-two thousand, six hundred sixteen".