211422010 has 8 divisors (see below), whose sum is σ = 380559636. Its totient is φ = 84568800.

The previous prime is 211422007. The next prime is 211422011. The reversal of 211422010 is 10224112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 178783641 + 32638369 = 13371^2 + 5713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (211422011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10571091 + ... + 10571110.

Almost surely, 2^211422010 is an apocalyptic number.

211422010 is a deficient number, since it is larger than the sum of its proper divisors (169137626).

211422010 is a wasteful number, since it uses less digits than its factorization.

211422010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21142208.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 211422010 is about 14540.3579735851. The cubic root of 211422010 is about 595.7308158612.

Adding to 211422010 its reverse (10224112), we get a palindrome (221646122).

The spelling of 211422010 in words is "two hundred eleven million, four hundred twenty-two thousand, ten".