421121422 has 8 divisors (see below), whose sum is σ = 652059072. Its totient is φ = 203768400.

The previous prime is 421121413. The next prime is 421121461. The reversal of 421121422 is 224121124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 421121422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3396079 + ... + 3396202.

It is an arithmetic number, because the mean of its divisors is an integer number (81507384).

Almost surely, 2^421121422 is an apocalyptic number.

421121422 is a deficient number, since it is larger than the sum of its proper divisors (230937650).

421121422 is a wasteful number, since it uses less digits than its factorization.

421121422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792314.

The product of its digits is 256, while the sum is 19.

The square root of 421121422 is about 20521.2431884620. The cubic root of 421121422 is about 749.5531691017.

Adding to 421121422 its reverse (224121124), we get a palindrome (645242546).

It can be divided in two parts, 42112 and 1422, that added together give a palindrome (43534).

The spelling of 421121422 in words is "four hundred twenty-one million, one hundred twenty-one thousand, four hundred twenty-two".