44228403 has 8 divisors (see below), whose sum is σ = 65523600. Its totient is φ = 29485584.

The previous prime is 44228399. The next prime is 44228419. The reversal of 44228403 is 30482244.

It is a happy number.

It is not a de Polignac number, because 44228403 - 2² = 44228399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1638089 = 44228403 / (4 + 4 + 2 + 2 + 8 + 4 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (44228423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819018 + ... + 819071.

It is an arithmetic number, because the mean of its divisors is an integer number (8190450).

Almost surely, 2^44228403 is an apocalyptic number.

44228403 is a deficient number, since it is larger than the sum of its proper divisors (21295197).

44228403 is a wasteful number, since it uses less digits than its factorization.

44228403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638098 (or 1638092 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 44228403 is about 6650.4438197762. The cubic root of 44228403 is about 353.6446448402.

The spelling of 44228403 in words is "forty-four million, two hundred twenty-eight thousand, four hundred three".