7220075 has 6 divisors (see below), whose sum is σ = 8952924. Its totient is φ = 5776040.

The previous prime is 7220033. The next prime is 7220089. The reversal of 7220075 is 5700227.

It is not a de Polignac number, because 7220075 - 2¹² = 7215979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7220075.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144377 + ... + 144426.

It is an arithmetic number, because the mean of its divisors is an integer number (1492154).

Almost surely, 2^7220075 is an apocalyptic number.

7220075 is a deficient number, since it is larger than the sum of its proper divisors (1732849).

7220075 is a wasteful number, since it uses less digits than its factorization.

7220075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288813 (or 288808 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 7220075 is about 2687.0197245275. The cubic root of 7220075 is about 193.2771751940.

The spelling of 7220075 in words is "seven million, two hundred twenty thousand, seventy-five".