421222314342 has 16 divisors (see below), whose sum is σ = 851129626032. Its totient is φ = 138959938560.

The previous prime is 421222314311. The next prime is 421222314371. The reversal of 421222314342 is 243413222124.

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, 361874259 + ... + 361875422.

It is an arithmetic number, because the mean of its divisors is an integer number (53195601627).

Almost surely, 2^421222314342 is an apocalyptic number.

421222314342 is an abundant number, since it is smaller than the sum of its proper divisors (429907311690).

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

421222314342 is a wasteful number, since it uses less digits than its factorization.

421222314342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723749783.

The product of its digits is 18432, while the sum is 30.

Adding to 421222314342 its reverse (243413222124), we get a palindrome (664635536466).

The spelling of 421222314342 in words is "four hundred twenty-one billion, two hundred twenty-two million, three hundred fourteen thousand, three hundred forty-two".