38227155 has 8 divisors (see below), whose sum is σ = 61163472. Its totient is φ = 20387808.

The previous prime is 38227139. The next prime is 38227157. The reversal of 38227155 is 55172283.

38227155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 38227155 - 2⁴ = 38227139 is a prime.

It is a super-2 number, since 2×38227155² = 2922630758788050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38227157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274224 + ... + 1274253.

It is an arithmetic number, because the mean of its divisors is an integer number (7645434).

Almost surely, 2^38227155 is an apocalyptic number.

38227155 is a deficient number, since it is larger than the sum of its proper divisors (22936317).

38227155 is a wasteful number, since it uses less digits than its factorization.

38227155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548485.

The product of its digits is 16800, while the sum is 33.

The square root of 38227155 is about 6182.8112537906. The cubic root of 38227155 is about 336.8661133454.

The spelling of 38227155 in words is "thirty-eight million, two hundred twenty-seven thousand, one hundred fifty-five".