44221630623 has 4 divisors (see below), whose sum is σ = 58962174168. Its totient is φ = 29481087080.

The previous prime is 44221630619. The next prime is 44221630697. The reversal of 44221630623 is 32603612244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44221630623 - 2² = 44221630619 is a prime.

It is a super-2 number, since 2×44221630623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44221637623) 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, 7370271768 + ... + 7370271773.

It is an arithmetic number, because the mean of its divisors is an integer number (14740543542).

Almost surely, 2^44221630623 is an apocalyptic number.

44221630623 is a deficient number, since it is larger than the sum of its proper divisors (14740543545).

44221630623 is a wasteful number, since it uses less digits than its factorization.

44221630623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14740543544.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 44221630623 in words is "forty-four billion, two hundred twenty-one million, six hundred thirty thousand, six hundred twenty-three".