202530222442 has 16 divisors (see below), whose sum is σ = 313624323072. Its totient is φ = 97989388560.

The previous prime is 202530222437. The next prime is 202530222451. The reversal of 202530222442 is 244222035202.

It is a self number, because there is not a number n which added to its sum of digits gives 202530222442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546543 + ... + 838909.

It is an arithmetic number, because the mean of its divisors is an integer number (19601520192).

Almost surely, 2^202530222442 is an apocalyptic number.

202530222442 is a deficient number, since it is larger than the sum of its proper divisors (111094100630).

202530222442 is a wasteful number, since it uses less digits than its factorization.

202530222442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303573.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 202530222442 its reverse (244222035202), we get a palindrome (446752257644).

The spelling of 202530222442 in words is "two hundred two billion, five hundred thirty million, two hundred twenty-two thousand, four hundred forty-two".