213032322 has 32 divisors (see below), whose sum is σ = 474811200. Its totient is φ = 70799904.

The previous prime is 213032311. The next prime is 213032333. The reversal of 213032322 is 223230312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213032311) and next prime (213032333).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 213032295 and 213032304.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13054 + ... + 24422.

It is an arithmetic number, because the mean of its divisors is an integer number (14837850).

Almost surely, 2^213032322 is an apocalyptic number.

213032322 is an abundant number, since it is smaller than the sum of its proper divisors (261778878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213032322 is a wasteful number, since it uses less digits than its factorization.

213032322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11727 (or 11721 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 213032322 is about 14595.6268107951. The cubic root of 213032322 is about 597.2394685890.

Adding to 213032322 its reverse (223230312), we get a palindrome (436262634).

The spelling of 213032322 in words is "two hundred thirteen million, thirty-two thousand, three hundred twenty-two".