7442229 has 4 divisors (see below), whose sum is σ = 9922976. Its totient is φ = 4961484.

The previous prime is 7442213. The next prime is 7442231. The reversal of 7442229 is 9222447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7442229 - 2⁴ = 7442213 is a prime.

It is a super-3 number, since 3×7442229³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7442196 and 7442205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240369 + ... + 1240374.

It is an arithmetic number, because the mean of its divisors is an integer number (2480744).

Almost surely, 2^7442229 is an apocalyptic number.

It is an amenable number.

7442229 is a deficient number, since it is larger than the sum of its proper divisors (2480747).

7442229 is a wasteful number, since it uses less digits than its factorization.

7442229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480746.

The product of its digits is 8064, while the sum is 30.

The square root of 7442229 is about 2728.0449043225. The cubic root of 7442229 is about 195.2394953480.

The spelling of 7442229 in words is "seven million, four hundred forty-two thousand, two hundred twenty-nine".