44820220 has 12 divisors (see below), whose sum is σ = 94122504. Its totient is φ = 17928080.

The previous prime is 44820199. The next prime is 44820247. The reversal of 44820220 is 2202844.

It is a junction number, because it is equal to n+sod(n) for n = 44820191 and 44820200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120486 + ... + 1120525.

It is an arithmetic number, because the mean of its divisors is an integer number (7843542).

Almost surely, 2^44820220 is an apocalyptic number.

It is an amenable number.

44820220 is an abundant number, since it is smaller than the sum of its proper divisors (49302284).

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

44820220 is a wasteful number, since it uses less digits than its factorization.

44820220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241020 (or 2241018 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 44820220 is about 6694.7905120325. The cubic root of 44820220 is about 355.2150254547.

The spelling of 44820220 in words is "forty-four million, eight hundred twenty thousand, two hundred twenty".