211442006 has 8 divisors (see below), whose sum is σ = 318369744. Its totient is φ = 105318760.

The previous prime is 211442003. The next prime is 211442009. The reversal of 211442006 is 600244112.

211442006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211442003) and next prime (211442009).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211442003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200465 + ... + 201516.

It is an arithmetic number, because the mean of its divisors is an integer number (39796218).

Almost surely, 2^211442006 is an apocalyptic number.

211442006 is a deficient number, since it is larger than the sum of its proper divisors (106927738).

211442006 is a wasteful number, since it uses less digits than its factorization.

211442006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402246.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 211442006 is about 14541.0455607566. The cubic root of 211442006 is about 595.7495964001.

Adding to 211442006 its reverse (600244112), we get a palindrome (811686118).

The spelling of 211442006 in words is "two hundred eleven million, four hundred forty-two thousand, six".