211220314 has 24 divisors (see below), whose sum is σ = 328291488. Its totient is φ = 101880240.

The previous prime is 211220281. The next prime is 211220351. The reversal of 211220314 is 413022112.

It is a super-2 number, since 2×211220314² = 89228042092517192, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1417512 + ... + 1417660.

It is an arithmetic number, because the mean of its divisors is an integer number (13678812).

Almost surely, 2^211220314 is an apocalyptic number.

211220314 is a deficient number, since it is larger than the sum of its proper divisors (117071174).

211220314 is an equidigital number, since it uses as much as digits as its factorization.

211220314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 211220314 is about 14533.4205884231. The cubic root of 211220314 is about 595.5413137487.

Adding to 211220314 its reverse (413022112), we get a palindrome (624242426).

The spelling of 211220314 in words is "two hundred eleven million, two hundred twenty thousand, three hundred fourteen".