27223808 has 72 divisors (see below), whose sum is σ = 59480400. Its totient is φ = 12386304.

The previous prime is 27223793. The next prime is 27223811. The reversal of 27223808 is 80832272.

It is a super-2 number, since 2×27223808² = 1482271444041728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140960 + ... + 141152.

Almost surely, 2^27223808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27223808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29740200).

27223808 is an abundant number, since it is smaller than the sum of its proper divisors (32256592).

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

27223808 is a wasteful number, since it uses less digits than its factorization.

27223808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 27223808 is about 5217.6439127254. The cubic root of 27223808 is about 300.8266386549.

The spelling of 27223808 in words is "twenty-seven million, two hundred twenty-three thousand, eight hundred eight".