38282121722 has 8 divisors (see below), whose sum is σ = 61840350516. Its totient is φ = 17668671552.

The previous prime is 38282121719. The next prime is 38282121733. The reversal of 38282121722 is 22712128283.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37001984881 + 1280136841 = 192359^2 + 35779^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736194623 + ... + 736194674.

Almost surely, 2^38282121722 is an apocalyptic number.

38282121722 is a deficient number, since it is larger than the sum of its proper divisors (23558228794).

38282121722 is a wasteful number, since it uses less digits than its factorization.

38282121722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472389312.

The product of its digits is 43008, while the sum is 38.

The spelling of 38282121722 in words is "thirty-eight billion, two hundred eighty-two million, one hundred twenty-one thousand, seven hundred twenty-two".