7220567 has 4 divisors (see below), whose sum is σ = 7241040. Its totient is φ = 7200096.

The previous prime is 7220557. The next prime is 7220569. The reversal of 7220567 is 7650227.

It is a happy number.

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 7220567 - 2¹² = 7216471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220569) 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, 9698 + ... + 10415.

It is an arithmetic number, because the mean of its divisors is an integer number (1810260).

Almost surely, 2^7220567 is an apocalyptic number.

7220567 is a deficient number, since it is larger than the sum of its proper divisors (20473).

7220567 is a wasteful number, since it uses less digits than its factorization.

7220567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20472.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 7220567 is about 2687.1112742125. Note that the first 3 decimals coincide. The cubic root of 7220567 is about 193.2815652781.

The spelling of 7220567 in words is "seven million, two hundred twenty thousand, five hundred sixty-seven".