44220512 has 48 divisors (see below), whose sum is σ = 101832192. Its totient is φ = 18506880.

The previous prime is 44220499. The next prime is 44220521. The reversal of 44220512 is 21502244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7337 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (2121504).

Almost surely, 2^44220512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44220512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50916096).

44220512 is an abundant number, since it is smaller than the sum of its proper divisors (57611680).

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

44220512 is a wasteful number, since it uses less digits than its factorization.

44220512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651 (or 4643 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 44220512 is about 6649.8505246359. The cubic root of 44220512 is about 353.6236117809.

Adding to 44220512 its reverse (21502244), we get a palindrome (65722756).

The spelling of 44220512 in words is "forty-four million, two hundred twenty thousand, five hundred twelve".