201422433656 has 16 divisors (see below), whose sum is σ = 378337883400. Its totient is φ = 100532331424.

The previous prime is 201422433643. The next prime is 201422433677. The reversal of 201422433656 is 656334224102.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 22355891 + ... + 22364898.

Almost surely, 2^201422433656 is an apocalyptic number.

It is an amenable number.

201422433656 is a deficient number, since it is larger than the sum of its proper divisors (176915449744).

201422433656 is a wasteful number, since it uses less digits than its factorization.

201422433656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44721358 (or 44721354 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 201422433656 its reverse (656334224102), we get a palindrome (857756657758).

The spelling of 201422433656 in words is "two hundred one billion, four hundred twenty-two million, four hundred thirty-three thousand, six hundred fifty-six".