7228843 has 4 divisors (see below), whose sum is σ = 7260640. Its totient is φ = 7197048.

The previous prime is 7228817. The next prime is 7228853. The reversal of 7228843 is 3488227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7228843 - 2⁵ = 7228811 is a prime.

It is a super-2 number, since 2×7228843² = 104512342237298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7228799 and 7228808.

It is not an unprimeable number, because it can be changed into a prime (7228853) 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, 15555 + ... + 16012.

It is an arithmetic number, because the mean of its divisors is an integer number (1815160).

Almost surely, 2^7228843 is an apocalyptic number.

7228843 is a deficient number, since it is larger than the sum of its proper divisors (31797).

7228843 is a wasteful number, since it uses less digits than its factorization.

7228843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31796.

The product of its digits is 21504, while the sum is 34.

The square root of 7228843 is about 2688.6507768768. The cubic root of 7228843 is about 193.3553816181.

The spelling of 7228843 in words is "seven million, two hundred twenty-eight thousand, eight hundred forty-three".