7220616 has 32 divisors (see below), whose sum is σ = 19440960. Its totient is φ = 2221632.

The previous prime is 7220611. The next prime is 7220621. The reversal of 7220616 is 6160227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7220611) and next prime (7220621).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (7220611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11260 + ... + 11883.

It is an arithmetic number, because the mean of its divisors is an integer number (607530).

Almost surely, 2^7220616 is an apocalyptic number.

It is an amenable number.

7220616 is an abundant number, since it is smaller than the sum of its proper divisors (12220344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7220616 is a wasteful number, since it uses less digits than its factorization.

7220616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23165 (or 23161 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 7220616 is about 2687.1203917949. The cubic root of 7220616 is about 193.2820024910.

The spelling of 7220616 in words is "seven million, two hundred twenty thousand, six hundred sixteen".