27744226 has 4 divisors (see below), whose sum is σ = 41616342. Its totient is φ = 13872112.

The previous prime is 27744217. The next prime is 27744251. The reversal of 27744226 is 62244772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17214201 + 10530025 = 4149^2 + 3245^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27744191 and 27744200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6936055 + ... + 6936058.

Almost surely, 2^27744226 is an apocalyptic number.

27744226 is a deficient number, since it is larger than the sum of its proper divisors (13872116).

27744226 is a wasteful number, since it uses less digits than its factorization.

27744226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13872115.

The product of its digits is 37632, while the sum is 34.

The square root of 27744226 is about 5267.2788040885. The cubic root of 27744226 is about 302.7314477593.

Adding to 27744226 its reverse (62244772), we get a palindrome (89988998).

The spelling of 27744226 in words is "twenty-seven million, seven hundred forty-four thousand, two hundred twenty-six".