213322045 has 8 divisors (see below), whose sum is σ = 256664160. Its totient is φ = 170205840.

The previous prime is 213322009. The next prime is 213322061. The reversal of 213322045 is 540223312.

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

It is not a de Polignac number, because 213322045 - 2⁹ = 213321533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54391 + ... + 58180.

It is an arithmetic number, because the mean of its divisors is an integer number (32083020).

Almost surely, 2^213322045 is an apocalyptic number.

It is an amenable number.

213322045 is a deficient number, since it is larger than the sum of its proper divisors (43342115).

213322045 is a wasteful number, since it uses less digits than its factorization.

213322045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112955.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 213322045 is about 14605.5484320172. The cubic root of 213322045 is about 597.5100936070.

Adding to 213322045 its reverse (540223312), we get a palindrome (753545357).

The spelling of 213322045 in words is "two hundred thirteen million, three hundred twenty-two thousand, forty-five".