211225152 has 28 divisors (see below), whose sum is σ = 558867056. Its totient is φ = 70408320.

The previous prime is 211225151. The next prime is 211225199. The reversal of 211225152 is 251522112.

It is not an unprimeable number, because it can be changed into a prime (211225151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549874 + ... + 550257.

Almost surely, 2^211225152 is an apocalyptic number.

It is an amenable number.

211225152 is an abundant number, since it is smaller than the sum of its proper divisors (347641904).

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

211225152 is a wasteful number, since it uses less digits than its factorization.

211225152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100146 (or 1100136 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 211225152 is about 14533.5870314248. The cubic root of 211225152 is about 595.5458606707.

Adding to 211225152 its reverse (251522112), we get a palindrome (462747264).

The spelling of 211225152 in words is "two hundred eleven million, two hundred twenty-five thousand, one hundred fifty-two".