744422 has 8 divisors (see below), whose sum is σ = 1276176. Its totient is φ = 319032.

The previous prime is 744409. The next prime is 744431. The reversal of 744422 is 224447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×744422² = 1108328228168, which contains 22 as substring.

It is a nialpdrome in base 10 and base 15.

It is a congruent number.

It is an unprimeable number.

744422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 26573 + ... + 26600.

It is an arithmetic number, because the mean of its divisors is an integer number (159522).

2⁷⁴⁴⁴²² is an apocalyptic number.

744422 is a deficient number, since it is larger than the sum of its proper divisors (531754).

744422 is a wasteful number, since it uses less digits than its factorization.

744422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53182.

The product of its digits is 1792, while the sum is 23.

The square root of 744422 is about 862.7989337036. The cubic root of 744422 is about 90.6302267299.

Adding to 744422 its reverse (224447), we get a palindrome (968869).

The spelling of 744422 in words is "seven hundred forty-four thousand, four hundred twenty-two", and thus it is an iban number.