421222124 has 18 divisors (see below), whose sum is σ = 783052620. Its totient is φ = 198221632.

The previous prime is 421222103. The next prime is 421222127.

421222124 is nontrivially palindromic in base 10.

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 = 421222096 and 421222105.

It is not an unprimeable number, because it can be changed into a prime (421222127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181034 + ... + 183345.

Almost surely, 2^421222124 is an apocalyptic number.

It is an amenable number.

421222124 is a deficient number, since it is larger than the sum of its proper divisors (361830496).

421222124 is a wasteful number, since it uses less digits than its factorization.

421222124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364417 (or 364398 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 421222124 is about 20523.6966455851. The cubic root of 421222124 is about 749.6129107688.

The spelling of 421222124 in words is "four hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-four".