44221112345 has 32 divisors (see below), whose sum is σ = 55429595136. Its totient is φ = 33830092800.

The previous prime is 44221112293. The next prime is 44221112389. The reversal of 44221112345 is 54321112244.

It is a happy number.

It is not a de Polignac number, because 44221112345 - 2¹⁶ = 44221046809 is a prime.

It is a super-2 number, since 2×44221112345² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5054675 + ... + 5063415.

It is an arithmetic number, because the mean of its divisors is an integer number (1732174848).

Almost surely, 2^44221112345 is an apocalyptic number.

It is an amenable number.

44221112345 is a deficient number, since it is larger than the sum of its proper divisors (11208482791).

44221112345 is a wasteful number, since it uses less digits than its factorization.

44221112345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9161.

The product of its digits is 7680, while the sum is 29.

Adding to 44221112345 its reverse (54321112244), we get a palindrome (98542224589).

The spelling of 44221112345 in words is "forty-four billion, two hundred twenty-one million, one hundred twelve thousand, three hundred forty-five".