7220975 has 6 divisors (see below), whose sum is σ = 8954040. Its totient is φ = 5776760.

The previous prime is 7220953. The next prime is 7220977. The reversal of 7220975 is 5790227.

It is not a de Polignac number, because 7220975 - 2¹² = 7216879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144395 + ... + 144444.

It is an arithmetic number, because the mean of its divisors is an integer number (1492340).

Almost surely, 2^7220975 is an apocalyptic number.

7220975 is a deficient number, since it is larger than the sum of its proper divisors (1733065).

7220975 is a wasteful number, since it uses less digits than its factorization.

7220975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288849 (or 288844 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 7220975 is about 2687.1871910978. The cubic root of 7220975 is about 193.2852056844.

The spelling of 7220975 in words is "seven million, two hundred twenty thousand, nine hundred seventy-five".