421222404112302 has 32 divisors (see below), whose sum is σ = 907294686228000. Its totient is φ = 129600260542080.

The previous prime is 421222404112267. The next prime is 421222404112343. The reversal of 421222404112302 is 203211404222124.

It is a super-2 number, since 2×421222404112302² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 421222404112302.

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, 136654177 + ... + 139702572.

It is an arithmetic number, because the mean of its divisors is an integer number (28352958944625).

Almost surely, 2^{421222404112302} is an apocalyptic number.

421222404112302 is an abundant number, since it is smaller than the sum of its proper divisors (486072282115698).

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

421222404112302 is a wasteful number, since it uses less digits than its factorization.

421222404112302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276376308.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 421222404112302 its reverse (203211404222124), we get a palindrome (624433808334426).

The spelling of 421222404112302 in words is "four hundred twenty-one trillion, two hundred twenty-two billion, four hundred four million, one hundred twelve thousand, three hundred two".