400022300 has 36 divisors (see below), whose sum is σ = 870855720. Its totient is φ = 159491520.

The previous prime is 400022243. The next prime is 400022309. The reversal of 400022300 is 3220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400022309) 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 11 ways as a sum of consecutive naturals, for example, 25391 + ... + 38009.

Almost surely, 2^400022300 is an apocalyptic number.

It is an amenable number.

400022300 is an abundant number, since it is smaller than the sum of its proper divisors (470833420).

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

400022300 is a wasteful number, since it uses less digits than its factorization.

400022300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12950 (or 12943 counting only the distinct ones).

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

The square root of 400022300 is about 20000.5574922301. The cubic root of 400022300 is about 736.8199917907.

Adding to 400022300 its reverse (3220004), we get a palindrome (403242304).

The spelling of 400022300 in words is "four hundred million, twenty-two thousand, three hundred".