200470221 has 60 divisors (see below), whose sum is σ = 355305852. Its totient is φ = 112275072.

The previous prime is 200470219. The next prime is 200470223. The reversal of 200470221 is 122074002.

It is an interprime number because it is at equal distance from previous prime (200470219) and next prime (200470223).

It can be written as a sum of positive squares in 2 ways, for example, as 114704100 + 85766121 = 10710^2 + 9261^2 .

It is not a de Polignac number, because 200470221 - 2¹ = 200470219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200470194 and 200470203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200470223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 209881 + ... + 210833.

Almost surely, 2^200470221 is an apocalyptic number.

200470221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200470221 is a deficient number, since it is larger than the sum of its proper divisors (154835631).

200470221 is an equidigital number, since it uses as much as digits as its factorization.

200470221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 200470221 is about 14158.7506864130. The cubic root of 200470221 is about 585.2615004465.

The spelling of 200470221 in words is "two hundred million, four hundred seventy thousand, two hundred twenty-one".