44424220212 has 36 divisors (see below), whose sum is σ = 112784946820. Its totient is φ = 14743406592.

The previous prime is 44424220201. The next prime is 44424220213. The reversal of 44424220212 is 21202242444.

44424220212 is a `hidden beast` number, since 4 + 4 + 424 + 2 + 20 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23594803236 + 20829416976 = 153606^2 + 144324^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×44424220212² (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 (44424220213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2686093 + ... + 2702580.

Almost surely, 2^44424220212 is an apocalyptic number.

It is an amenable number.

44424220212 is an abundant number, since it is smaller than the sum of its proper divisors (68360726608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44424220212 is a wasteful number, since it uses less digits than its factorization.

44424220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388912 (or 5388907 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 44424220212 its reverse (21202242444), we get a palindrome (65626462656).

The spelling of 44424220212 in words is "forty-four billion, four hundred twenty-four million, two hundred twenty thousand, two hundred twelve".