44221086 has 64 divisors (see below), whose sum is σ = 120960000. Its totient is φ = 11661408.

The previous prime is 44221069. The next prime is 44221087. The reversal of 44221086 is 68012244.

44221086 is a `hidden beast` number, since 442 + 210 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44221087) 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, 415 + ... + 9413.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^44221086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44221086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60480000).

44221086 is an abundant number, since it is smaller than the sum of its proper divisors (76738914).

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

44221086 is a wasteful number, since it uses less digits than its factorization.

44221086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030 (or 9024 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 44221086 is about 6649.8936833607. The cubic root of 44221086 is about 353.6251418331.

It can be divided in two parts, 442 and 21086, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 44221086 in words is "forty-four million, two hundred twenty-one thousand, eighty-six".