211225332 has 48 divisors (see below), whose sum is σ = 505774080. Its totient is φ = 68578272.

The previous prime is 211225327. The next prime is 211225387. The reversal of 211225332 is 233522112.

211225332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211225332² = 89232281757020448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211225299 and 211225308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134013 + ... + 135579.

It is an arithmetic number, because the mean of its divisors is an integer number (10536960).

Almost surely, 2^211225332 is an apocalyptic number.

It is an amenable number.

211225332 is an abundant number, since it is smaller than the sum of its proper divisors (294548748).

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

211225332 is a wasteful number, since it uses less digits than its factorization.

211225332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1858 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 211225332 is about 14533.5932239760. The cubic root of 211225332 is about 595.5460298397.

Adding to 211225332 its reverse (233522112), we get a palindrome (444747444).

The spelling of 211225332 in words is "two hundred eleven million, two hundred twenty-five thousand, three hundred thirty-two".