44220416 has 30 divisors (see below), whose sum is σ = 88470900. Its totient is φ = 22102016.

The previous prime is 44220409. The next prime is 44220437. The reversal of 44220416 is 61402244.

It is a junction number, because it is equal to n+sod(n) for n = 44220391 and 44220400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15035 + ... + 17733.

It is an arithmetic number, because the mean of its divisors is an integer number (2949030).

Almost surely, 2^44220416 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 44220416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44235450).

44220416 is an abundant number, since it is smaller than the sum of its proper divisors (44250484).

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

44220416 is an frugal number, since it uses more digits than its factorization.

44220416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 44220416 is about 6649.8433064246. The cubic root of 44220416 is about 353.6233558824.

The spelling of 44220416 in words is "forty-four million, two hundred twenty thousand, four hundred sixteen".