7444229 has 4 divisors (see below), whose sum is σ = 8016876. Its totient is φ = 6871584.

The previous prime is 7444223. The next prime is 7444231. The reversal of 7444229 is 9224447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3323329 + 4120900 = 1823^2 + 2030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7444229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7444195 and 7444204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7444223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286304 + ... + 286329.

It is an arithmetic number, because the mean of its divisors is an integer number (2004219).

Almost surely, 2^7444229 is an apocalyptic number.

It is an amenable number.

7444229 is a deficient number, since it is larger than the sum of its proper divisors (572647).

7444229 is a wasteful number, since it uses less digits than its factorization.

7444229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572646.

The product of its digits is 16128, while the sum is 32.

The square root of 7444229 is about 2728.4114425797. The cubic root of 7444229 is about 195.2569831202.

The spelling of 7444229 in words is "seven million, four hundred forty-four thousand, two hundred twenty-nine".