7142206 has 4 divisors (see below), whose sum is σ = 10713312. Its totient is φ = 3571102.

The previous prime is 7142203. The next prime is 7142209. The reversal of 7142206 is 6022417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6022417 = 1559 ⋅3863.

It is an interprime number because it is at equal distance from previous prime (7142203) and next prime (7142209).

It is a super-2 number, since 2×7142206² = 102022213092872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785550 + ... + 1785553.

It is an arithmetic number, because the mean of its divisors is an integer number (2678328).

Almost surely, 2^7142206 is an apocalyptic number.

7142206 is a deficient number, since it is larger than the sum of its proper divisors (3571106).

7142206 is a wasteful number, since it uses less digits than its factorization.

7142206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571105.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7142206 is about 2672.4905986738. The cubic root of 7142206 is about 192.5798263408.

The spelling of 7142206 in words is "seven million, one hundred forty-two thousand, two hundred six".