244122646 has 8 divisors (see below), whose sum is σ = 366612840. Its totient is φ = 121918368.

The previous prime is 244122623. The next prime is 244122673. The reversal of 244122646 is 646221442.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 69331 + ... + 72766.

It is an arithmetic number, because the mean of its divisors is an integer number (45826605).

Almost surely, 2^244122646 is an apocalyptic number.

244122646 is a deficient number, since it is larger than the sum of its proper divisors (122490194).

244122646 is a wasteful number, since it uses less digits than its factorization.

244122646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142958.

The product of its digits is 18432, while the sum is 31.

The square root of 244122646 is about 15624.4246614075. The cubic root of 244122646 is about 624.9846575434.

The spelling of 244122646 in words is "two hundred forty-four million, one hundred twenty-two thousand, six hundred forty-six".