422221731205 has 16 divisors (see below), whose sum is σ = 519558556608. Its totient is φ = 329199376000.

The previous prime is 422221731199. The next prime is 422221731229. The reversal of 422221731205 is 502137122224.

It is not a de Polignac number, because 422221731205 - 2⁷ = 422221731077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861511 + ... + 1259620.

It is an arithmetic number, because the mean of its divisors is an integer number (32472409788).

Almost surely, 2^422221731205 is an apocalyptic number.

It is an amenable number.

422221731205 is a deficient number, since it is larger than the sum of its proper divisors (97336825403).

422221731205 is a wasteful number, since it uses less digits than its factorization.

422221731205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122148.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 422221731205 its reverse (502137122224), we get a palindrome (924358853429).

The spelling of 422221731205 in words is "four hundred twenty-two billion, two hundred twenty-one million, seven hundred thirty-one thousand, two hundred five".