422193308940 has 144 divisors (see below), whose sum is σ = 1422300448800. Its totient is φ = 103924484352.

The previous prime is 422193308921. The next prime is 422193308941. The reversal of 422193308940 is 49803391224.

422193308940 is a `hidden beast` number, since 4 + 221 + 9 + 330 + 8 + 94 + 0 = 666.

It is a super-2 number, since 2×422193308940² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (422193308941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2221875 + ... + 2404394.

It is an arithmetic number, because the mean of its divisors is an integer number (9877086450).

Almost surely, 2^422193308940 is an apocalyptic number.

It is an amenable number.

422193308940 is an abundant number, since it is smaller than the sum of its proper divisors (1000107139860).

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

422193308940 is a wasteful number, since it uses less digits than its factorization.

422193308940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626313 (or 4626292 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 422193308940 in words is "four hundred twenty-two billion, one hundred ninety-three million, three hundred eight thousand, nine hundred forty".