202444222442 has 64 divisors (see below), whose sum is σ = 391672205568. Its totient is φ = 76188480000.

The previous prime is 202444222423. The next prime is 202444222481. The reversal of 202444222442 is 244222444202.

It is a junction number, because it is equal to n+sod(n) for n = 202444222399 and 202444222408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478988 + ... + 796440.

It is an arithmetic number, because the mean of its divisors is an integer number (6119878212).

Almost surely, 2^202444222442 is an apocalyptic number.

202444222442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202444222442 is a deficient number, since it is larger than the sum of its proper divisors (189227983126).

202444222442 is a wasteful number, since it uses less digits than its factorization.

202444222442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317615.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 202444222442 its reverse (244222444202), we get a palindrome (446666666644).

The spelling of 202444222442 in words is "two hundred two billion, four hundred forty-four million, two hundred twenty-two thousand, four hundred forty-two".