422509194741900 has 72 divisors (see below), whose sum is σ = 1397097070620160. Its totient is φ = 96573530226240.

The previous prime is 422509194741883. The next prime is 422509194741901. The reversal of 422509194741900 is 9147491905224.

It is a super-2 number, since 2×422509194741900² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422509194741901) 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 23 ways as a sum of consecutive naturals, for example, 100597425220 + ... + 100597429419.

Almost surely, 2^{422509194741900} is an apocalyptic number.

It is an amenable number.

422509194741900 is an abundant number, since it is smaller than the sum of its proper divisors (974587875878260).

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

422509194741900 is a wasteful number, since it uses less digits than its factorization.

422509194741900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201194854663 (or 201194854656 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 422509194741900 in words is "four hundred twenty-two trillion, five hundred nine billion, one hundred ninety-four million, seven hundred forty-one thousand, nine hundred".