202224421142442 has 80 divisors (see below), whose sum is σ = 458563479897600. Its totient is φ = 66603671206560.

The previous prime is 202224421142389. The next prime is 202224421142449. The reversal of 202224421142442 is 244241124422202.

202224421142442 is a `hidden beast` number, since 2 + 0 + 2 + 224 + 4 + 2 + 1 + 1 + 424 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 202224421142397 and 202224421142406.

It is not an unprimeable number, because it can be changed into a prime (202224421142449) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9611034 + ... + 22289477.

It is an arithmetic number, because the mean of its divisors is an integer number (5732043498720).

Almost surely, 2^{202224421142442} is an apocalyptic number.

202224421142442 is an abundant number, since it is smaller than the sum of its proper divisors (256339058755158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202224421142442 is a wasteful number, since it uses less digits than its factorization.

202224421142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31900993 (or 31900984 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 36.

Adding to 202224421142442 its reverse (244241124422202), we get a palindrome (446465545564644).

The spelling of 202224421142442 in words is "two hundred two trillion, two hundred twenty-four billion, four hundred twenty-one million, one hundred forty-two thousand, four hundred forty-two".