44224133421 has 32 divisors (see below), whose sum is σ = 67766243328. Its totient is φ = 25412244480.

The previous prime is 44224133389. The next prime is 44224133467. The reversal of 44224133421 is 12433142244.

It is not a de Polignac number, because 44224133421 - 2⁵ = 44224133389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44224133491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178410 + ... + 346811.

It is an arithmetic number, because the mean of its divisors is an integer number (2117695104).

Almost surely, 2^44224133421 is an apocalyptic number.

It is an amenable number.

44224133421 is a deficient number, since it is larger than the sum of its proper divisors (23542109907).

44224133421 is a wasteful number, since it uses less digits than its factorization.

44224133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525381.

The product of its digits is 18432, while the sum is 30.

Adding to 44224133421 its reverse (12433142244), we get a palindrome (56657275665).

The spelling of 44224133421 in words is "forty-four billion, two hundred twenty-four million, one hundred thirty-three thousand, four hundred twenty-one".