300400220 has 12 divisors (see below), whose sum is σ = 630840504. Its totient is φ = 120160080.

The previous prime is 300400213. The next prime is 300400229. The reversal of 300400220 is 22004003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300400229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7509986 + ... + 7510025.

It is an arithmetic number, because the mean of its divisors is an integer number (52570042).

Almost surely, 2^300400220 is an apocalyptic number.

It is an amenable number.

300400220 is an abundant number, since it is smaller than the sum of its proper divisors (330440284).

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

300400220 is a wasteful number, since it uses less digits than its factorization.

300400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15020020 (or 15020018 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 300400220 is about 17332.0575812568. The cubic root of 300400220 is about 669.7305071958.

Adding to 300400220 its reverse (22004003), we get a palindrome (322404223).

The spelling of 300400220 in words is "three hundred million, four hundred thousand, two hundred twenty".