44421825 has 48 divisors (see below), whose sum is σ = 84566016. Its totient is φ = 20155200.

The previous prime is 44421821. The next prime is 44421827. The reversal of 44421825 is 52812444.

It is not a de Polignac number, because 44421825 - 2² = 44421821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44421792 and 44421801.

It is not an unprimeable number, because it can be changed into a prime (44421821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100054 + ... + 100496.

It is an arithmetic number, because the mean of its divisors is an integer number (1761792).

Almost surely, 2^44421825 is an apocalyptic number.

It is an amenable number.

44421825 is a deficient number, since it is larger than the sum of its proper divisors (40144191).

44421825 is a wasteful number, since it uses less digits than its factorization.

44421825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 649 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 44421825 is about 6664.9699924306. The cubic root of 44421825 is about 354.1594209975.

The spelling of 44421825 in words is "forty-four million, four hundred twenty-one thousand, eight hundred twenty-five".