38227889 has 12 divisors (see below), whose sum is σ = 44826624. Its totient is φ = 32503464.

The previous prime is 38227877. The next prime is 38227897. The reversal of 38227889 is 98872283.

It is not a de Polignac number, because 38227889 - 2²⁰ = 37179313 is a prime.

It is a super-2 number, since 2×38227889² = 2922742994792642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38227289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3152 + ... + 9294.

It is an arithmetic number, because the mean of its divisors is an integer number (3735552).

Almost surely, 2^38227889 is an apocalyptic number.

It is an amenable number.

38227889 is a deficient number, since it is larger than the sum of its proper divisors (6598735).

38227889 is a wasteful number, since it uses less digits than its factorization.

38227889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284 (or 6277 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 38227889 is about 6182.8706116172. The cubic root of 38227889 is about 336.8682693882.

It can be divided in two parts, 3822 and 7889, that added together give a palindrome (11711).

The spelling of 38227889 in words is "thirty-eight million, two hundred twenty-seven thousand, eight hundred eighty-nine".