211424234 has 16 divisors (see below), whose sum is σ = 378200448. Its totient is φ = 86670672.

The previous prime is 211424219. The next prime is 211424263. The reversal of 211424234 is 432424112.

211424234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 327977 + ... + 328620.

It is an arithmetic number, because the mean of its divisors is an integer number (23637528).

Almost surely, 2^211424234 is an apocalyptic number.

211424234 is a deficient number, since it is larger than the sum of its proper divisors (166776214).

211424234 is a wasteful number, since it uses less digits than its factorization.

211424234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656629.

The product of its digits is 1536, while the sum is 23.

The square root of 211424234 is about 14540.4344501806. The cubic root of 211424234 is about 595.7329047334.

Adding to 211424234 its reverse (432424112), we get a palindrome (643848346).

The spelling of 211424234 in words is "two hundred eleven million, four hundred twenty-four thousand, two hundred thirty-four".