7438229 has 4 divisors (see below), whose sum is σ = 7488300. Its totient is φ = 7388160.

The previous prime is 7438219. The next prime is 7438241. The reversal of 7438229 is 9228347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9228347 = 283 ⋅32609.

It can be written as a sum of positive squares in 2 ways, for example, as 3713329 + 3724900 = 1927^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 7438229 - 2⁴ = 7438213 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 4⁶ + 3⁹ + 8⁴ + 2¹⁶ + 2²⁰ + 9⁶ .

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7438219) 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, 24812 + ... + 25109.

It is an arithmetic number, because the mean of its divisors is an integer number (1872075).

Almost surely, 2^7438229 is an apocalyptic number.

It is an amenable number.

7438229 is a deficient number, since it is larger than the sum of its proper divisors (50071).

7438229 is a wasteful number, since it uses less digits than its factorization.

7438229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50070.

The product of its digits is 24192, while the sum is 35.

The square root of 7438229 is about 2727.3116800249. The cubic root of 7438229 is about 195.2045104020.

It can be divided in two parts, 7438 and 229, that added together give a palindrome (7667).

The spelling of 7438229 in words is "seven million, four hundred thirty-eight thousand, two hundred twenty-nine".