202422301538 has 6 divisors (see below), whose sum is σ = 303634406721. Its totient is φ = 101210832632.

The previous prime is 202422301537. The next prime is 202422301561. The reversal of 202422301538 is 835103224202.

202422301538 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 2 ways, for example, as 189962607409 + 12459694129 = 435847^2 + 111623^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=318137.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202422301537) 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 2 ways as a sum of consecutive naturals, for example, 477206 + ... + 795342.

Almost surely, 2^202422301538 is an apocalyptic number.

202422301538 is a deficient number, since it is larger than the sum of its proper divisors (101212105183).

202422301538 is an frugal number, since it uses more digits than its factorization.

202422301538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636276 (or 318139 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Multiplying 202422301538 by its sum of digits (32), we get a square (6477513649216 = 2545096²).

The spelling of 202422301538 in words is "two hundred two billion, four hundred twenty-two million, three hundred one thousand, five hundred thirty-eight".