27225638 has 8 divisors (see below), whose sum is σ = 44551080. Its totient is φ = 12375280.

The previous prime is 27225637. The next prime is 27225641. The reversal of 27225638 is 83652272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27225598 and 27225607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27225631) 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, 618743 + ... + 618786.

It is an arithmetic number, because the mean of its divisors is an integer number (5568885).

Almost surely, 2^27225638 is an apocalyptic number.

27225638 is a deficient number, since it is larger than the sum of its proper divisors (17325442).

27225638 is a wasteful number, since it uses less digits than its factorization.

27225638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237542.

The product of its digits is 40320, while the sum is 35.

The square root of 27225638 is about 5217.8192762877. The cubic root of 27225638 is about 300.8333790836.

The spelling of 27225638 in words is "twenty-seven million, two hundred twenty-five thousand, six hundred thirty-eight".