44396220 has 96 divisors (see below), whose sum is σ = 136878336. Its totient is φ = 10662400.

The previous prime is 44396207. The next prime is 44396249. The reversal of 44396220 is 2269344.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90175 + ... + 90665.

It is an arithmetic number, because the mean of its divisors is an integer number (1425816).

Almost surely, 2^44396220 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 44396220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68439168).

44396220 is an abundant number, since it is smaller than the sum of its proper divisors (92482116).

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

44396220 is a wasteful number, since it uses less digits than its factorization.

44396220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 44396220 is about 6663.0488516894. The cubic root of 44396220 is about 354.0913613979.

The spelling of 44396220 in words is "forty-four million, three hundred ninety-six thousand, two hundred twenty".