213022330 has 16 divisors (see below), whose sum is σ = 391599360. Its totient is φ = 83395792.

The previous prime is 213022321. The next prime is 213022331. The reversal of 213022330 is 33220312.

It is not an unprimeable number, because it can be changed into a prime (213022331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226150 + ... + 227089.

It is an arithmetic number, because the mean of its divisors is an integer number (24474960).

Almost surely, 2^213022330 is an apocalyptic number.

213022330 is a deficient number, since it is larger than the sum of its proper divisors (178577030).

213022330 is a wasteful number, since it uses less digits than its factorization.

213022330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453293.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 213022330 is about 14595.2845124718. The cubic root of 213022330 is about 597.2301308666.

Adding to 213022330 its reverse (33220312), we get a palindrome (246242642).

It can be divided in two parts, 21302 and 2330, that added together give a palindrome (23632).

The spelling of 213022330 in words is "two hundred thirteen million, twenty-two thousand, three hundred thirty".