421222340302 has 16 divisors (see below), whose sum is σ = 671303687040. Its totient is φ = 197661637368.

The previous prime is 421222340293. The next prime is 421222340317. The reversal of 421222340302 is 203043222124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51794058 + ... + 51802189.

It is an arithmetic number, because the mean of its divisors is an integer number (41956480440).

Almost surely, 2^421222340302 is an apocalyptic number.

421222340302 is a deficient number, since it is larger than the sum of its proper divisors (250081346738).

421222340302 is a wasteful number, since it uses less digits than its factorization.

421222340302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103596375.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 421222340302 its reverse (203043222124), we get a palindrome (624265562426).

The spelling of 421222340302 in words is "four hundred twenty-one billion, two hundred twenty-two million, three hundred forty thousand, three hundred two".