211044234 has 32 divisors (see below), whose sum is σ = 433520640. Its totient is φ = 68468400.

The previous prime is 211044221. The next prime is 211044259. The reversal of 211044234 is 432440112.

It is a self number, because there is not a number n which added to its sum of digits gives 211044234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30519 + ... + 36789.

It is an arithmetic number, because the mean of its divisors is an integer number (13547520).

Almost surely, 2^211044234 is an apocalyptic number.

211044234 is an abundant number, since it is smaller than the sum of its proper divisors (222476406).

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

211044234 is a wasteful number, since it uses less digits than its factorization.

211044234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6426.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 211044234 is about 14527.3615636151. The cubic root of 211044234 is about 595.3757803221.

Adding to 211044234 its reverse (432440112), we get a palindrome (643484346).

The spelling of 211044234 in words is "two hundred eleven million, forty-four thousand, two hundred thirty-four".