211422032 has 20 divisors (see below), whose sum is σ = 410358036. Its totient is φ = 105523200.

The previous prime is 211422031. The next prime is 211422059. The reversal of 211422032 is 230224112.

It can be written as a sum of positive squares in 2 ways, for example, as 208975936 + 2446096 = 14456^2 + 1564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211422032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211422031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219 + ... + 20682.

Almost surely, 2^211422032 is an apocalyptic number.

It is an amenable number.

211422032 is a deficient number, since it is larger than the sum of its proper divisors (198936004).

211422032 is a wasteful number, since it uses less digits than its factorization.

211422032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23486 (or 23480 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 211422032 is about 14540.3587301002. The cubic root of 211422032 is about 595.7308365246.

Adding to 211422032 its reverse (230224112), we get a palindrome (441646144).

The spelling of 211422032 in words is "two hundred eleven million, four hundred twenty-two thousand, thirty-two".