244222220646 has 48 divisors (see below), whose sum is σ = 543657769200. Its totient is φ = 79176844224.

The previous prime is 244222220629. The next prime is 244222220647. The reversal of 244222220646 is 646022222442.

244222220646 is a `hidden beast` number, since 2 + 4 + 4 + 2 + 2 + 2 + 2 + 2 + 0 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 244222220646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244222220647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1701940 + ... + 1839848.

It is an arithmetic number, because the mean of its divisors is an integer number (11326203525).

Almost surely, 2^244222220646 is an apocalyptic number.

244222220646 is an abundant number, since it is smaller than the sum of its proper divisors (299435548554).

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

244222220646 is a wasteful number, since it uses less digits than its factorization.

244222220646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140613 (or 140610 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 244222220646 in words is "two hundred forty-four billion, two hundred twenty-two million, two hundred twenty thousand, six hundred forty-six".