388814227 has 4 divisors (see below), whose sum is σ = 392381440. Its totient is φ = 385247016.

The previous prime is 388814207. The next prime is 388814267. The reversal of 388814227 is 722418883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722418883 = 1187 ⋅608609.

It is a cyclic number.

It is not a de Polignac number, because 388814227 - 2⁷ = 388814099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388814207) 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, 1783443 + ... + 1783660.

It is an arithmetic number, because the mean of its divisors is an integer number (98095360).

Almost surely, 2^388814227 is an apocalyptic number.

388814227 is a deficient number, since it is larger than the sum of its proper divisors (3567213).

388814227 is a wasteful number, since it uses less digits than its factorization.

388814227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567212.

The product of its digits is 172032, while the sum is 43.

The square root of 388814227 is about 19718.3728284055. The cubic root of 388814227 is about 729.8731417767.

The spelling of 388814227 in words is "three hundred eighty-eight million, eight hundred fourteen thousand, two hundred twenty-seven".