7220963 has 4 divisors (see below), whose sum is σ = 7253568. Its totient is φ = 7188360.

The previous prime is 7220953. The next prime is 7220977. The reversal of 7220963 is 3690227.

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 7220963 - 2¹⁰ = 7219939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7220933) 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, 15968 + ... + 16413.

It is an arithmetic number, because the mean of its divisors is an integer number (1813392).

Almost surely, 2^7220963 is an apocalyptic number.

7220963 is a deficient number, since it is larger than the sum of its proper divisors (32605).

7220963 is a wasteful number, since it uses less digits than its factorization.

7220963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32604.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 7220963 is about 2687.1849582788. The cubic root of 7220963 is about 193.2850986156.

The spelling of 7220963 in words is "seven million, two hundred twenty thousand, nine hundred sixty-three".