38220225871 has 4 divisors (see below), whose sum is σ = 39152426544. Its totient is φ = 37288025200.

The previous prime is 38220225863. The next prime is 38220225881. The reversal of 38220225871 is 17852202283.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38220225871 - 2³ = 38220225863 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 (38220225881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466100275 + ... + 466100356.

It is an arithmetic number, because the mean of its divisors is an integer number (9788106636).

Almost surely, 2^38220225871 is an apocalyptic number.

38220225871 is a deficient number, since it is larger than the sum of its proper divisors (932200673).

38220225871 is an equidigital number, since it uses as much as digits as its factorization.

38220225871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932200672.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 38220225871 in words is "thirty-eight billion, two hundred twenty million, two hundred twenty-five thousand, eight hundred seventy-one".