422105954809 has 12 divisors (see below), whose sum is σ = 535659505488. Its totient is φ = 328913730600.

The previous prime is 422105954807. The next prime is 422105954821. The reversal of 422105954809 is 908459501224.

It is not a de Polignac number, because 422105954809 - 2¹ = 422105954807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422105954801) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 391563427 + ... + 391564504.

It is an arithmetic number, because the mean of its divisors is an integer number (44638292124).

Almost surely, 2^422105954809 is an apocalyptic number.

422105954809 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

422105954809 is a deficient number, since it is larger than the sum of its proper divisors (113553550679).

422105954809 is a wasteful number, since it uses less digits than its factorization.

422105954809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783127956 (or 783127949 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 422105954809 in words is "four hundred twenty-two billion, one hundred five million, nine hundred fifty-four thousand, eight hundred nine".