211224054 has 8 divisors (see below), whose sum is σ = 422448120. Its totient is φ = 70408016.

The previous prime is 211224043. The next prime is 211224067. The reversal of 211224054 is 450422112.

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

211224054 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 211224054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17601999 + ... + 17602010.

It is an arithmetic number, because the mean of its divisors is an integer number (52806015).

Almost surely, 2^211224054 is an apocalyptic number.

211224054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

211224054 is a wasteful number, since it uses less digits than its factorization.

211224054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35204014.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 211224054 is about 14533.5492568058. The cubic root of 211224054 is about 595.5448287379.

Adding to 211224054 its reverse (450422112), we get a palindrome (661646166).

The spelling of 211224054 in words is "two hundred eleven million, two hundred twenty-four thousand, fifty-four".