7552229 has 4 divisors (see below), whose sum is σ = 7584876. Its totient is φ = 7519584.

The previous prime is 7552201. The next prime is 7552243. The reversal of 7552229 is 9222557.

7552229 = 51² + 52² + ... + 283².

It is a happy number.

7552229 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 9222557 = 1823 ⋅5059.

It can be written as a sum of positive squares in 2 ways, for example, as 4401604 + 3150625 = 2098^2 + 1775^2 .

It is a cyclic number.

It is not a de Polignac number, because 7552229 - 2¹⁶ = 7486693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7552195 and 7552204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7552529) 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, 15974 + ... + 16439.

It is an arithmetic number, because the mean of its divisors is an integer number (1896219).

Almost surely, 2^7552229 is an apocalyptic number.

It is an amenable number.

7552229 is a deficient number, since it is larger than the sum of its proper divisors (32647).

7552229 is a wasteful number, since it uses less digits than its factorization.

7552229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32646.

The product of its digits is 12600, while the sum is 32.

The square root of 7552229 is about 2748.1319109533. The cubic root of 7552229 is about 196.1967083179.

The spelling of 7552229 in words is "seven million, five hundred fifty-two thousand, two hundred twenty-nine".