38405227 has 16 divisors (see below), whose sum is σ = 47120832. Its totient is φ = 30551040.

The previous prime is 38405203. The next prime is 38405243. The reversal of 38405227 is 72250483.

It is not a de Polignac number, because 38405227 - 2¹⁵ = 38372459 is a prime.

It is a super-2 number, since 2×38405227² = 2949922921843058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38405267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6477 + ... + 10897.

It is an arithmetic number, because the mean of its divisors is an integer number (2945052).

Almost surely, 2^38405227 is an apocalyptic number.

38405227 is a deficient number, since it is larger than the sum of its proper divisors (8715605).

38405227 is a wasteful number, since it uses less digits than its factorization.

38405227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 38405227 is about 6197.1950913296. The cubic root of 38405227 is about 337.3883731433.

The spelling of 38405227 in words is "thirty-eight million, four hundred five thousand, two hundred twenty-seven".