43226400 has 288 divisors, whose sum is σ = 167989248. Its totient is φ = 9446400.

The previous prime is 43226399. The next prime is 43226419. The reversal of 43226400 is 462234.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 520759 + ... + 520841.

It is an arithmetic number, because the mean of its divisors is an integer number (583296).

Almost surely, 2^43226400 is an apocalyptic number.

43226400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43226400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83994624).

43226400 is an abundant number, since it is smaller than the sum of its proper divisors (124762848).

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

43226400 is a wasteful number, since it uses less digits than its factorization.

43226400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 43226400 is about 6574.6786993738. The cubic root of 43226400 is about 350.9535900197.

Adding to 43226400 its reverse (462234), we get a palindrome (43688634).

The spelling of 43226400 in words is "forty-three million, two hundred twenty-six thousand, four hundred".