421032200 has 48 divisors (see below), whose sum is σ = 1036490580. Its totient is φ = 158504960.

The previous prime is 421032197. The next prime is 421032203. The reversal of 421032200 is 2230124.

It is an interprime number because it is at equal distance from previous prime (421032197) and next prime (421032203).

It can be written as a sum of positive squares in 6 ways, for example, as 163686436 + 257345764 = 12794^2 + 16042^2 .

It is a super-2 number, since 2×421032200² = 354536226873680000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421032203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58517 + ... + 65316.

Almost surely, 2^421032200 is an apocalyptic number.

421032200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421032200 is an abundant number, since it is smaller than the sum of its proper divisors (615458380).

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

421032200 is a wasteful number, since it uses less digits than its factorization.

421032200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123866 (or 123857 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 421032200 is about 20519.0691796680. The cubic root of 421032200 is about 749.5002300102.

Adding to 421032200 its reverse (2230124), we get a palindrome (423262324).

The spelling of 421032200 in words is "four hundred twenty-one million, thirty-two thousand, two hundred".