7224907 has 4 divisors (see below), whose sum is σ = 7361280. Its totient is φ = 7088536.

The previous prime is 7224869. The next prime is 7224911. The reversal of 7224907 is 7094227.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7224907 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7224937) 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, 68107 + ... + 68212.

It is an arithmetic number, because the mean of its divisors is an integer number (1840320).

Almost surely, 2^7224907 is an apocalyptic number.

7224907 is a deficient number, since it is larger than the sum of its proper divisors (136373).

7224907 is a wasteful number, since it uses less digits than its factorization.

7224907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136372.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 7224907 is about 2687.9187115685. The cubic root of 7224907 is about 193.3202821815.

The spelling of 7224907 in words is "seven million, two hundred twenty-four thousand, nine hundred seven".