38248221 has 12 divisors (see below), whose sum is σ = 56055776. Its totient is φ = 23180520.

The previous prime is 38248211. The next prime is 38248229. The reversal of 38248221 is 12284283.

It is not a de Polignac number, because 38248221 - 2⁶ = 38248157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38248229) 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, 52321 + ... + 53046.

Almost surely, 2^38248221 is an apocalyptic number.

It is an amenable number.

38248221 is a deficient number, since it is larger than the sum of its proper divisors (17807555).

38248221 is a wasteful number, since it uses less digits than its factorization.

38248221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105392 (or 105381 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 38248221 is about 6184.5146131285. The cubic root of 38248221 is about 336.9279813935.

The spelling of 38248221 in words is "thirty-eight million, two hundred forty-eight thousand, two hundred twenty-one".