7211995 has 48 divisors (see below), whose sum is σ = 11317248. Its totient is φ = 4308480.

The previous prime is 7211993. The next prime is 7212011. The reversal of 7211995 is 5991127.

It is not a de Polignac number, because 7211995 - 2¹ = 7211993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7211995.

It is not an unprimeable number, because it can be changed into a prime (7211993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232630 + ... + 232660.

It is an arithmetic number, because the mean of its divisors is an integer number (235776).

Almost surely, 2^7211995 is an apocalyptic number.

7211995 is a deficient number, since it is larger than the sum of its proper divisors (4105253).

7211995 is a wasteful number, since it uses less digits than its factorization.

7211995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 83 counting only the distinct ones).

The product of its digits is 5670, while the sum is 34.

The square root of 7211995 is about 2685.5157791382. The cubic root of 7211995 is about 193.2050493274.

The spelling of 7211995 in words is "seven million, two hundred eleven thousand, nine hundred ninety-five".