38224471 has 2 divisors, whose sum is σ = 38224472. Its totient is φ = 38224470.

The previous prime is 38224429. The next prime is 38224481. The reversal of 38224471 is 17442283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38224471 - 2²³ = 29835863 is a prime.

It is a super-3 number, since 3×38224471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38224411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19112235 + 19112236.

It is an arithmetic number, because the mean of its divisors is an integer number (19112236).

Almost surely, 2^38224471 is an apocalyptic number.

38224471 is a deficient number, since it is larger than the sum of its proper divisors (1).

38224471 is an equidigital number, since it uses as much as digits as its factorization.

38224471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 31.

The square root of 38224471 is about 6182.5941966136. The cubic root of 38224471 is about 336.8582291611.

The spelling of 38224471 in words is "thirty-eight million, two hundred twenty-four thousand, four hundred seventy-one".