202422400444 has 12 divisors (see below), whose sum is σ = 386442764568. Its totient is φ = 92010182000.

The previous prime is 202422400409. The next prime is 202422400447. The reversal of 202422400444 is 444004224202.

202422400444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202422400444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202422400447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300254507 + ... + 2300254594.

It is an arithmetic number, because the mean of its divisors is an integer number (32203563714).

Almost surely, 2^202422400444 is an apocalyptic number.

It is an amenable number.

202422400444 is a deficient number, since it is larger than the sum of its proper divisors (184020364124).

202422400444 is a wasteful number, since it uses less digits than its factorization.

202422400444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600509116 (or 4600509114 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 202422400444 its reverse (444004224202), we get a palindrome (646426624646).

The spelling of 202422400444 in words is "two hundred two billion, four hundred twenty-two million, four hundred thousand, four hundred forty-four".