211235222 has 16 divisors (see below), whose sum is σ = 351518400. Its totient is φ = 94388040.

The previous prime is 211235203. The next prime is 211235261. The reversal of 211235222 is 222532112.

211235222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211235194 and 211235203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80072 + ... + 82667.

It is an arithmetic number, because the mean of its divisors is an integer number (21969900).

Almost surely, 2^211235222 is an apocalyptic number.

211235222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211235222 is a deficient number, since it is larger than the sum of its proper divisors (140283178).

211235222 is a wasteful number, since it uses less digits than its factorization.

211235222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162811.

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

The square root of 211235222 is about 14533.9334662025. The cubic root of 211235222 is about 595.5553245871. Note that the first 3 decimals are identical.

Adding to 211235222 its reverse (222532112), we get a palindrome (433767334).

The spelling of 211235222 in words is "two hundred eleven million, two hundred thirty-five thousand, two hundred twenty-two".