27228494 has 4 divisors (see below), whose sum is σ = 40842744. Its totient is φ = 13614246.

The previous prime is 27228493. The next prime is 27228511. The reversal of 27228494 is 49482272.

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

It is a super-3 number, since 3×27228494³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27228491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6807122 + ... + 6807125.

It is an arithmetic number, because the mean of its divisors is an integer number (10210686).

Almost surely, 2^27228494 is an apocalyptic number.

27228494 is a deficient number, since it is larger than the sum of its proper divisors (13614250).

27228494 is a wasteful number, since it uses less digits than its factorization.

27228494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614249.

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

The square root of 27228494 is about 5218.0929466616. The cubic root of 27228494 is about 300.8438979689.

The spelling of 27228494 in words is "twenty-seven million, two hundred twenty-eight thousand, four hundred ninety-four".