421338105222 has 32 divisors (see below), whose sum is σ = 850739549184. Its totient is φ = 139108132800.

The previous prime is 421338105137. The next prime is 421338105277. The reversal of 421338105222 is 222501833124.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 466654 + ... + 1029777.

It is an arithmetic number, because the mean of its divisors is an integer number (26585610912).

Almost surely, 2^421338105222 is an apocalyptic number.

421338105222 is an abundant number, since it is smaller than the sum of its proper divisors (429401443962).

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

421338105222 is a wasteful number, since it uses less digits than its factorization.

421338105222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496884.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 421338105222 its reverse (222501833124), we get a palindrome (643839938346).

The spelling of 421338105222 in words is "four hundred twenty-one billion, three hundred thirty-eight million, one hundred five thousand, two hundred twenty-two".