27797226 has 8 divisors (see below), whose sum is σ = 55594464. Its totient is φ = 9265740.

The previous prime is 27797219. The next prime is 27797233. The reversal of 27797226 is 62279772.

It is an interprime number because it is at equal distance from previous prime (27797219) and next prime (27797233).

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

27797226 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2316430 + ... + 2316441.

It is an arithmetic number, because the mean of its divisors is an integer number (6949308).

Almost surely, 2^27797226 is an apocalyptic number.

27797226 is the 3335-th centered pentagonal number.

27797226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27797226 is a wasteful number, since it uses less digits than its factorization.

27797226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632876.

The product of its digits is 148176, while the sum is 42.

The square root of 27797226 is about 5272.3074644789. The cubic root of 27797226 is about 302.9240951802.

The spelling of 27797226 in words is "twenty-seven million, seven hundred ninety-seven thousand, two hundred twenty-six".