421451224235 has 4 divisors (see below), whose sum is σ = 505741469088. Its totient is φ = 337160979384.

The previous prime is 421451224213. The next prime is 421451224247. The reversal of 421451224235 is 532422154124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421451224235 - 2¹⁴ = 421451207851 is a prime.

It is a super-2 number, since 2×421451224235² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421451224195 and 421451224204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42145122419 + ... + 42145122428.

It is an arithmetic number, because the mean of its divisors is an integer number (126435367272).

Almost surely, 2^421451224235 is an apocalyptic number.

421451224235 is a deficient number, since it is larger than the sum of its proper divisors (84290244853).

421451224235 is an equidigital number, since it uses as much as digits as its factorization.

421451224235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84290244852.

The product of its digits is 76800, while the sum is 35.

Adding to 421451224235 its reverse (532422154124), we get a palindrome (953873378359).

The spelling of 421451224235 in words is "four hundred twenty-one billion, four hundred fifty-one million, two hundred twenty-four thousand, two hundred thirty-five".