7219396 has 12 divisors (see below), whose sum is σ = 12688060. Its totient is φ = 3594240.

The previous prime is 7219391. The next prime is 7219427. The reversal of 7219396 is 6939127.

It can be written as a sum of positive squares in 2 ways, for example, as 4562496 + 2656900 = 2136^2 + 1630^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7219391) 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, 2781 + ... + 4708.

Almost surely, 2^7219396 is an apocalyptic number.

It is an amenable number.

7219396 is a deficient number, since it is larger than the sum of its proper divisors (5468664).

7219396 is a wasteful number, since it uses less digits than its factorization.

7219396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7734 (or 7732 counting only the distinct ones).

The product of its digits is 20412, while the sum is 37.

The square root of 7219396 is about 2686.8933733961. The cubic root of 7219396 is about 193.2711161934.

The spelling of 7219396 in words is "seven million, two hundred nineteen thousand, three hundred ninety-six".