44222605651 has 16 divisors (see below), whose sum is σ = 51655104000. Its totient is φ = 37075313088.

The previous prime is 44222605619. The next prime is 44222605667. The reversal of 44222605651 is 15650622244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44222605651 - 2⁵ = 44222605619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44222605651.

It is not an unprimeable number, because it can be changed into a prime (44222605351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186850 + ... + 351223.

It is an arithmetic number, because the mean of its divisors is an integer number (3228444000).

Almost surely, 2^44222605651 is an apocalyptic number.

44222605651 is a deficient number, since it is larger than the sum of its proper divisors (7432498349).

44222605651 is a wasteful number, since it uses less digits than its factorization.

44222605651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538338.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 44222605651 in words is "forty-four billion, two hundred twenty-two million, six hundred five thousand, six hundred fifty-one".