1038622395221 has 8 divisors (see below), whose sum is σ = 1099755327384. Its totient is φ = 977493629440.

The previous prime is 1038622395193. The next prime is 1038622395247. The reversal of 1038622395221 is 1225932268301.

1038622395221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 803577780625 + 235044614596 = 896425^2 + 484814^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1038622395221 - 2⁶ = 1038622395157 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 (1038622395271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520910 + ... + 1532511.

It is an arithmetic number, because the mean of its divisors is an integer number (137469415923).

Almost surely, 2^{1038622395221} is an apocalyptic number.

It is an amenable number.

1038622395221 is a deficient number, since it is larger than the sum of its proper divisors (61132932163).

1038622395221 is a wasteful number, since it uses less digits than its factorization.

1038622395221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083191.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 1038622395221 in words is "one trillion, thirty-eight billion, six hundred twenty-two million, three hundred ninety-five thousand, two hundred twenty-one".