7225379 has 8 divisors (see below), whose sum is σ = 8542560. Its totient is φ = 5979456.

The previous prime is 7225373. The next prime is 7225403. The reversal of 7225379 is 9735227.

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

It is not a de Polignac number, because 7225379 - 2⁴ = 7225363 is a prime.

It is a super-2 number, since 2×7225379² = 104412203387282, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7225373) 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, 17594 + ... + 17999.

It is an arithmetic number, because the mean of its divisors is an integer number (1067820).

Almost surely, 2^7225379 is an apocalyptic number.

7225379 is a deficient number, since it is larger than the sum of its proper divisors (1317181).

7225379 is a wasteful number, since it uses less digits than its factorization.

7225379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35629.

The product of its digits is 26460, while the sum is 35.

The square root of 7225379 is about 2688.0065104088. The cubic root of 7225379 is about 193.3244919328.

Subtracting from 7225379 its sum of digits (35), we obtain a square (7225344 = 2688²).

The spelling of 7225379 in words is "seven million, two hundred twenty-five thousand, three hundred seventy-nine".