44228144 has 20 divisors (see below), whose sum is σ = 86073360. Its totient is φ = 22015680.

The previous prime is 44228141. The next prime is 44228147. The reversal of 44228144 is 44182244.

It is an interprime number because it is at equal distance from previous prime (44228141) and next prime (44228147).

It is a super-2 number, since 2×44228144² = 3912257443369472, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (44228141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372 + ... + 9699.

It is an arithmetic number, because the mean of its divisors is an integer number (4303668).

Almost surely, 2^44228144 is an apocalyptic number.

It is an amenable number.

44228144 is a deficient number, since it is larger than the sum of its proper divisors (41845216).

44228144 is a wasteful number, since it uses less digits than its factorization.

44228144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12308 (or 12302 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

The square root of 44228144 is about 6650.4243473631. The cubic root of 44228144 is about 353.6439545286.

The spelling of 44228144 in words is "forty-four million, two hundred twenty-eight thousand, one hundred forty-four".