2142206 has 8 divisors (see below), whose sum is σ = 3505464. Its totient is φ = 973720.

The previous prime is 2142181. The next prime is 2142211. The reversal of 2142206 is 6022412.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48665 + ... + 48708.

It is an arithmetic number, because the mean of its divisors is an integer number (438183).

2^2142206 is an apocalyptic number.

2142206 is a deficient number, since it is larger than the sum of its proper divisors (1363258).

2142206 is a wasteful number, since it uses less digits than its factorization.

2142206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97386.

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

The square root of 2142206 is about 1463.6276848980. The cubic root of 2142206 is about 128.9101391285.

Adding to 2142206 its reverse (6022412), we get a palindrome (8164618).

The spelling of 2142206 in words is "two million, one hundred forty-two thousand, two hundred six".