7229071 has 4 divisors (see below), whose sum is σ = 7263544. Its totient is φ = 7194600.

The previous prime is 7229069. The next prime is 7229077. The reversal of 7229071 is 1709227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1709227 = 13 ⋅131479.

It is a cyclic number.

It is not a de Polignac number, because 7229071 - 2¹ = 7229069 is a prime.

It is a super-3 number, since 3×7229071³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

7229071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7229077) 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, 16920 + ... + 17341.

It is an arithmetic number, because the mean of its divisors is an integer number (1815886).

Almost surely, 2^7229071 is an apocalyptic number.

7229071 is a deficient number, since it is larger than the sum of its proper divisors (34473).

7229071 is a wasteful number, since it uses less digits than its factorization.

7229071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34472.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 7229071 is about 2688.6931769914. The cubic root of 7229071 is about 193.3574144267.

It can be divided in two parts, 72290 and 71, that added together give a square (72361 = 269²).

The spelling of 7229071 in words is "seven million, two hundred twenty-nine thousand, seventy-one".