211226414 has 32 divisors (see below), whose sum is σ = 373172160. Its totient is φ = 87775488.

The previous prime is 211226399. The next prime is 211226419. The reversal of 211226414 is 414622112.

It is a self number, because there is not a number n which added to its sum of digits gives 211226414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211226419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211364 + ... + 212360.

It is an arithmetic number, because the mean of its divisors is an integer number (11661630).

Almost surely, 2^211226414 is an apocalyptic number.

211226414 is a deficient number, since it is larger than the sum of its proper divisors (161945746).

211226414 is a wasteful number, since it uses less digits than its factorization.

211226414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its digits is 768, while the sum is 23.

The square root of 211226414 is about 14533.6304480333. The cubic root of 211226414 is about 595.5470467311.

Adding to 211226414 its reverse (414622112), we get a palindrome (625848526).

The spelling of 211226414 in words is "two hundred eleven million, two hundred twenty-six thousand, four hundred fourteen".