7072211 has 4 divisors (see below), whose sum is σ = 7077672. Its totient is φ = 7066752.

The previous prime is 7072193. The next prime is 7072243. The reversal of 7072211 is 1122707.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1122707 = 157 ⋅7151.

It is a cyclic number.

It is not a de Polignac number, because 7072211 - 2¹⁰ = 7071187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7072411) 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, 440 + ... + 3786.

It is an arithmetic number, because the mean of its divisors is an integer number (1769418).

Almost surely, 2^7072211 is an apocalyptic number.

7072211 is a deficient number, since it is larger than the sum of its proper divisors (5461).

7072211 is a wasteful number, since it uses less digits than its factorization.

7072211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 7072211 is about 2659.3628936270. The cubic root of 7072211 is about 191.9486534426.

Adding to 7072211 its reverse (1122707), we get a palindrome (8194918).

The spelling of 7072211 in words is "seven million, seventy-two thousand, two hundred eleven".