421422300 has 216 divisors, whose sum is σ = 1437581600. Its totient is φ = 102643200.

The previous prime is 421422293. The next prime is 421422311. The reversal of 421422300 is 3224124.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2117601 + ... + 2117799.

Almost surely, 2^421422300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421422300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718790800).

421422300 is an abundant number, since it is smaller than the sum of its proper divisors (1016159300).

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

421422300 is a wasteful number, since it uses less digits than its factorization.

421422300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 421422300 is about 20528.5727706531. The cubic root of 421422300 is about 749.7316373201.

Adding to 421422300 its reverse (3224124), we get a palindrome (424646424).

The spelling of 421422300 in words is "four hundred twenty-one million, four hundred twenty-two thousand, three hundred".