27228944 has 10 divisors (see below), whose sum is σ = 52756110. Its totient is φ = 13614464.

The previous prime is 27228931. The next prime is 27228947. The reversal of 27228944 is 44982272.

It can be written as a sum of positive squares in only one way, i.e., 26915344 + 313600 = 5188^2 + 560^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27228898 and 27228907.

It is not an unprimeable number, because it can be changed into a prime (27228947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850889 + ... + 850920.

It is an arithmetic number, because the mean of its divisors is an integer number (5275611).

Almost surely, 2^27228944 is an apocalyptic number.

It is an amenable number.

27228944 is a deficient number, since it is larger than the sum of its proper divisors (25527166).

27228944 is a wasteful number, since it uses less digits than its factorization.

27228944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701817 (or 1701811 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 27228944 is about 5218.1360656848. The cubic root of 27228944 is about 300.8455552892.

The spelling of 27228944 in words is "twenty-seven million, two hundred twenty-eight thousand, nine hundred forty-four".