7242216 has 16 divisors (see below), whose sum is σ = 18105600. Its totient is φ = 2414064.

The previous prime is 7242203. The next prime is 7242233. The reversal of 7242216 is 6122427.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 301759 = 7242216 / (7 + 2 + 4 + 2 + 2 + 1 + 6).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 150856 + ... + 150903.

It is an arithmetic number, because the mean of its divisors is an integer number (1131600).

Almost surely, 2^7242216 is an apocalyptic number.

It is an amenable number.

7242216 is an abundant number, since it is smaller than the sum of its proper divisors (10863384).

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

7242216 is a wasteful number, since it uses less digits than its factorization.

7242216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301768 (or 301764 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 7242216 is about 2691.1365628671. The cubic root of 7242216 is about 193.4745407817.

The spelling of 7242216 in words is "seven million, two hundred forty-two thousand, two hundred sixteen".