211225232 has 10 divisors (see below), whose sum is σ = 409248918. Its totient is φ = 105612608.

The previous prime is 211225219. The next prime is 211225243. The reversal of 211225232 is 232522112.

It can be written as a sum of positive squares in only one way, i.e., 178917376 + 32307856 = 13376^2 + 5684^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600773 + ... + 6600804.

Almost surely, 2^211225232 is an apocalyptic number.

It is an amenable number.

211225232 is a deficient number, since it is larger than the sum of its proper divisors (198023686).

211225232 is a wasteful number, since it uses less digits than its factorization.

211225232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13201585 (or 13201579 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 211225232 is about 14533.5897836701. The cubic root of 211225232 is about 595.5459358569.

Adding to 211225232 its reverse (232522112), we get a palindrome (443747344).

The spelling of 211225232 in words is "two hundred eleven million, two hundred twenty-five thousand, two hundred thirty-two".