7225427 has 8 divisors (see below), whose sum is σ = 8225280. Its totient is φ = 6282760.

The previous prime is 7225417. The next prime is 7225429. The reversal of 7225427 is 7245227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7225427 - 2⁶ = 7225363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7225427.

It is not an unprimeable number, because it can be changed into a prime (7225429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14027 + ... + 14532.

It is an arithmetic number, because the mean of its divisors is an integer number (1028160).

Almost surely, 2^7225427 is an apocalyptic number.

7225427 is a deficient number, since it is larger than the sum of its proper divisors (999853).

7225427 is a wasteful number, since it uses less digits than its factorization.

7225427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28593.

The product of its digits is 7840, while the sum is 29.

The square root of 7225427 is about 2688.0154389438. The cubic root of 7225427 is about 193.3249200329.

The spelling of 7225427 in words is "seven million, two hundred twenty-five thousand, four hundred twenty-seven".