421222222124 has 24 divisors (see below), whose sum is σ = 851454546768. Its totient is φ = 180202019840.

The previous prime is 421222222093. The next prime is 421222222231.

421222222124 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×421222222124² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 421222222093 and 421222222102.

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, 281564909 + ... + 281566404.

It is an arithmetic number, because the mean of its divisors is an integer number (35477272782).

Almost surely, 2^421222222124 is an apocalyptic number.

421222222124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421222222124 is an abundant number, since it is smaller than the sum of its proper divisors (430232324644).

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

421222222124 is a wasteful number, since it uses less digits than its factorization.

421222222124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563131345 (or 563131343 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

It can be divided in two parts, 421222 and 222124, that added together give a palindrome (643346).

The spelling of 421222222124 in words is "four hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-four".