7922247 has 4 divisors (see below), whose sum is σ = 10563000. Its totient is φ = 5281496.

The previous prime is 7922231. The next prime is 7922261. The reversal of 7922247 is 7422297.

7922247 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 7922247 - 2⁴ = 7922231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7922207) 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, 1320372 + ... + 1320377.

It is an arithmetic number, because the mean of its divisors is an integer number (2640750).

Almost surely, 2^7922247 is an apocalyptic number.

7922247 is a deficient number, since it is larger than the sum of its proper divisors (2640753).

7922247 is a wasteful number, since it uses less digits than its factorization.

7922247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640752.

The product of its digits is 14112, while the sum is 33.

The square root of 7922247 is about 2814.6486459237. The cubic root of 7922247 is about 199.3499477830.

The spelling of 7922247 in words is "seven million, nine hundred twenty-two thousand, two hundred forty-seven".