211268222 has 16 divisors (see below), whose sum is σ = 347509872. Its totient is φ = 95531520.

The previous prime is 211268221. The next prime is 211268237. The reversal of 211268222 is 222862112.

It is a junction number, because it is equal to n+sod(n) for n = 211268191 and 211268200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211268221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20633 + ... + 29124.

It is an arithmetic number, because the mean of its divisors is an integer number (21719367).

Almost surely, 2^211268222 is an apocalyptic number.

211268222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211268222 is a deficient number, since it is larger than the sum of its proper divisors (136241650).

211268222 is a wasteful number, since it uses less digits than its factorization.

211268222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49963.

The product of its digits is 1536, while the sum is 26.

The square root of 211268222 is about 14535.0686960881. The cubic root of 211268222 is about 595.5863363066.

The spelling of 211268222 in words is "two hundred eleven million, two hundred sixty-eight thousand, two hundred twenty-two".