220214421 has 24 divisors (see below), whose sum is σ = 375258624. Its totient is φ = 121776480.

The previous prime is 220214419. The next prime is 220214437. The reversal of 220214421 is 124412022.

220214421 is a `hidden beast` number, since 220 + 2 + 1 + 442 + 1 = 666.

It is not a de Polignac number, because 220214421 - 2¹ = 220214419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220214394 and 220214403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220214221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54426 + ... + 58331.

It is an arithmetic number, because the mean of its divisors is an integer number (15635776).

Almost surely, 2^220214421 is an apocalyptic number.

220214421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220214421 is a deficient number, since it is larger than the sum of its proper divisors (155044203).

220214421 is a wasteful number, since it uses less digits than its factorization.

220214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112801 (or 112798 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 220214421 is about 14839.6233442766. The cubic root of 220214421 is about 603.8771340875.

Adding to 220214421 its reverse (124412022), we get a palindrome (344626443).

The spelling of 220214421 in words is "two hundred twenty million, two hundred fourteen thousand, four hundred twenty-one".