7229135 has 4 divisors (see below), whose sum is σ = 8674968. Its totient is φ = 5783304.

The previous prime is 7229129. The next prime is 7229137. The reversal of 7229135 is 5319227.

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 7229135 - 2¹² = 7225039 is a prime.

It is a super-3 number, since 3×7229135³ (a number of 22 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 7⁸ + 2¹⁴ + 2²⁰ + 9⁴ + 1 + 3⁷ + 5⁸ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7229098 and 7229107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7229137) 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, 722909 + ... + 722918.

It is an arithmetic number, because the mean of its divisors is an integer number (2168742).

Almost surely, 2^7229135 is an apocalyptic number.

7229135 is a deficient number, since it is larger than the sum of its proper divisors (1445833).

7229135 is a wasteful number, since it uses less digits than its factorization.

7229135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445832.

The product of its digits is 3780, while the sum is 29.

The square root of 7229135 is about 2688.7050786578. The cubic root of 7229135 is about 193.3579850320.

The spelling of 7229135 in words is "seven million, two hundred twenty-nine thousand, one hundred thirty-five".