7216469 has 6 divisors (see below), whose sum is σ = 7814466. Its totient is φ = 6661200.

The previous prime is 7216453. The next prime is 7216471. The reversal of 7216469 is 9646127.

It can be written as a sum of positive squares in 3 ways, for example, as 508369 + 6708100 = 713^2 + 2590^2 .

It is not a de Polignac number, because 7216469 - 2⁴ = 7216453 is a prime.

It is a super-2 number, since 2×7216469² = 104154849655922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21182 + ... + 21519.

It is an arithmetic number, because the mean of its divisors is an integer number (1302411).

Almost surely, 2^7216469 is an apocalyptic number.

It is an amenable number.

7216469 is a deficient number, since it is larger than the sum of its proper divisors (597997).

7216469 is a wasteful number, since it uses less digits than its factorization.

7216469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42727 (or 42714 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 7216469 is about 2686.3486370909. The cubic root of 7216469 is about 193.2449930003.

The spelling of 7216469 in words is "seven million, two hundred sixteen thousand, four hundred sixty-nine".