44221134213 has 24 divisors (see below), whose sum is σ = 69964479000. Its totient is φ = 26789812224.

The previous prime is 44221134203. The next prime is 44221134241. The reversal of 44221134213 is 31243112244.

44221134213 is a `hidden beast` number, since 4 + 4 + 221 + 13 + 421 + 3 = 666.

44221134213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4170318084 + 40050816129 = 64578^2 + 200127^2 .

It is not a de Polignac number, because 44221134213 - 2⁴ = 44221134197 is a prime.

It is a super-2 number, since 2×44221134213² (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 (44221134203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4978788 + ... + 4987661.

It is an arithmetic number, because the mean of its divisors is an integer number (2915186625).

Almost surely, 2^44221134213 is an apocalyptic number.

It is an amenable number.

44221134213 is a deficient number, since it is larger than the sum of its proper divisors (25743344787).

44221134213 is a wasteful number, since it uses less digits than its factorization.

44221134213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9966501 (or 9966498 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 44221134213 its reverse (31243112244), we get a palindrome (75464246457).

The spelling of 44221134213 in words is "forty-four billion, two hundred twenty-one million, one hundred thirty-four thousand, two hundred thirteen".