7220043 has 16 divisors (see below), whose sum is σ = 11066400. Its totient is φ = 4646880.

The previous prime is 7220033. The next prime is 7220089. The reversal of 7220043 is 3400227.

It is a happy number.

It is not a de Polignac number, because 7220043 - 2⁴ = 7220027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7219998 and 7220025.

It is not an unprimeable number, because it can be changed into a prime (7220033) 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 15 ways as a sum of consecutive naturals, for example, 3828 + ... + 5393.

It is an arithmetic number, because the mean of its divisors is an integer number (691650).

Almost surely, 2^7220043 is an apocalyptic number.

7220043 is a deficient number, since it is larger than the sum of its proper divisors (3846357).

7220043 is a wasteful number, since it uses less digits than its factorization.

7220043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259 (or 9253 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7220043 is about 2687.0137699684. The cubic root of 7220043 is about 193.2768896531.

The spelling of 7220043 in words is "seven million, two hundred twenty thousand, forty-three".