744386226 has 8 divisors (see below), whose sum is σ = 1488772464. Its totient is φ = 248128740.

The previous prime is 744386221. The next prime is 744386263. The reversal of 744386226 is 622683447.

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

744386226 is an admirable number.

It is a super-2 number, since 2×744386226² = 1108221706917046152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (744386221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62032180 + ... + 62032191.

It is an arithmetic number, because the mean of its divisors is an integer number (186096558).

Almost surely, 2^744386226 is an apocalyptic number.

744386226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

744386226 is a wasteful number, since it uses less digits than its factorization.

744386226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124064376.

The product of its digits is 387072, while the sum is 42.

The square root of 744386226 is about 27283.4423414642. The cubic root of 744386226 is about 906.2877492892.

The spelling of 744386226 in words is "seven hundred forty-four million, three hundred eighty-six thousand, two hundred twenty-six".