202552122242 has 18 divisors (see below), whose sum is σ = 305926646697. Its totient is φ = 100581345384.

The previous prime is 202552122239. The next prime is 202552122287. The reversal of 202552122242 is 242221255202.

It can be written as a sum of positive squares in 2 ways, for example, as 193475939881 + 9076182361 = 439859^2 + 95269^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=318239.

It is a super-2 number, since 2×202552122242² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 99926033 + ... + 99928059.

Almost surely, 2^202552122242 is an apocalyptic number.

202552122242 is a deficient number, since it is larger than the sum of its proper divisors (103374524455).

202552122242 is an frugal number, since it uses more digits than its factorization.

202552122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 202552122242 its reverse (242221255202), we get a palindrome (444773377444).

The spelling of 202552122242 in words is "two hundred two billion, five hundred fifty-two million, one hundred twenty-two thousand, two hundred forty-two".