214144221424 has 80 divisors (see below), whose sum is σ = 508551022080. Its totient is φ = 85305242880.

The previous prime is 214144221397. The next prime is 214144221493. The reversal of 214144221424 is 424122441412.

It is a super-2 number, since 2×214144221424² (a number of 23 digits) contains 22 as substring.

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

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, 836572 + ... + 1062139.

It is an arithmetic number, because the mean of its divisors is an integer number (6356887776).

Almost surely, 2^214144221424 is an apocalyptic number.

It is an amenable number.

214144221424 is an abundant number, since it is smaller than the sum of its proper divisors (294406800656).

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

214144221424 is a wasteful number, since it uses less digits than its factorization.

214144221424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898798 (or 1898792 counting only the distinct ones).

The product of its digits is 16384, while the sum is 31.

Adding to 214144221424 its reverse (424122441412), we get a palindrome (638266662836).

The spelling of 214144221424 in words is "two hundred fourteen billion, one hundred forty-four million, two hundred twenty-one thousand, four hundred twenty-four".