44622222644 has 12 divisors (see below), whose sum is σ = 79904910624. Its totient is φ = 21792248184.

The previous prime is 44622222611. The next prime is 44622222649.

44622222644 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×44622222644² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44622222598 and 44622222607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44622222649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129715592 + ... + 129715935.

It is an arithmetic number, because the mean of its divisors is an integer number (6658742552).

Almost surely, 2^44622222644 is an apocalyptic number.

It is an amenable number.

44622222644 is a deficient number, since it is larger than the sum of its proper divisors (35282687980).

44622222644 is a wasteful number, since it uses less digits than its factorization.

44622222644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259431574 (or 259431572 counting only the distinct ones).

The product of its digits is 294912, while the sum is 38.

The spelling of 44622222644 in words is "forty-four billion, six hundred twenty-two million, two hundred twenty-two thousand, six hundred forty-four".