211222114 has 4 divisors (see below), whose sum is σ = 316833174. Its totient is φ = 105611056.

The previous prime is 211222111. The next prime is 211222147. The reversal of 211222114 is 411222112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 180230625 + 30991489 = 13425^2 + 5567^2 .

It is a super-2 number, since 2×211222114² = 89229562885257992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211222111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52805527 + ... + 52805530.

Almost surely, 2^211222114 is an apocalyptic number.

211222114 is a deficient number, since it is larger than the sum of its proper divisors (105611060).

211222114 is a wasteful number, since it uses less digits than its factorization.

211222114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105611059.

The product of its digits is 64, while the sum is 16.

The square root of 211222114 is about 14533.4825145249. The cubic root of 211222114 is about 595.5430054599.

Adding to 211222114 its reverse (411222112), we get a palindrome (622444226).

The spelling of 211222114 in words is "two hundred eleven million, two hundred twenty-two thousand, one hundred fourteen".