44072228 has 24 divisors (see below), whose sum is σ = 84483000. Its totient is φ = 20023808.

The previous prime is 44072227. The next prime is 44072239. The reversal of 44072228 is 82227044.

It can be written as a sum of positive squares in 4 ways, for example, as 5607424 + 38464804 = 2368^2 + 6202^2 .

It is a super-2 number, since 2×44072228² = 3884722561767968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 44072228.

It is not an unprimeable number, because it can be changed into a prime (44072221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9203 + ... + 13146.

It is an arithmetic number, because the mean of its divisors is an integer number (3520125).

Almost surely, 2^44072228 is an apocalyptic number.

It is an amenable number.

44072228 is a deficient number, since it is larger than the sum of its proper divisors (40410772).

44072228 is a wasteful number, since it uses less digits than its factorization.

44072228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22399 (or 22397 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 44072228 is about 6638.6917385883. The cubic root of 44072228 is about 353.2279021696.

The spelling of 44072228 in words is "forty-four million, seventy-two thousand, two hundred twenty-eight".