7216955 has 16 divisors (see below), whose sum is σ = 9047808. Its totient is φ = 5520000.

The previous prime is 7216931. The next prime is 7216967. The reversal of 7216955 is 5596127.

It is not a de Polignac number, because 7216955 - 2¹² = 7212859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15425 + ... + 15885.

It is an arithmetic number, because the mean of its divisors is an integer number (565488).

Almost surely, 2^7216955 is an apocalyptic number.

7216955 is a deficient number, since it is larger than the sum of its proper divisors (1830853).

7216955 is a wasteful number, since it uses less digits than its factorization.

7216955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598.

The product of its digits is 18900, while the sum is 35.

The square root of 7216955 is about 2686.4390929258. The cubic root of 7216955 is about 193.2493309925.

The spelling of 7216955 in words is "seven million, two hundred sixteen thousand, nine hundred fifty-five".