43421592228 has 48 divisors (see below), whose sum is σ = 115805472384. Its totient is φ = 12404609280.

The previous prime is 43421592223. The next prime is 43421592283. The reversal of 43421592228 is 82229512434.

It is a super-2 number, since 2×43421592228² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 43421592228.

It is not an unprimeable number, because it can be changed into a prime (43421592223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751408 + ... + 807128.

It is an arithmetic number, because the mean of its divisors is an integer number (2412614008).

Almost surely, 2^43421592228 is an apocalyptic number.

It is an amenable number.

43421592228 is an abundant number, since it is smaller than the sum of its proper divisors (72383880156).

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

43421592228 is a wasteful number, since it uses less digits than its factorization.

43421592228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65012 (or 65010 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The spelling of 43421592228 in words is "forty-three billion, four hundred twenty-one million, five hundred ninety-two thousand, two hundred twenty-eight".