43224940 has 24 divisors (see below), whose sum is σ = 99024912. Its totient is φ = 15718080.

The previous prime is 43224911. The next prime is 43224941. The reversal of 43224940 is 4942234.

It is a junction number, because it is equal to n+sod(n) for n = 43224899 and 43224908.

It is not an unprimeable number, because it can be changed into a prime (43224941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98019 + ... + 98458.

It is an arithmetic number, because the mean of its divisors is an integer number (4126038).

Almost surely, 2^43224940 is an apocalyptic number.

It is an amenable number.

43224940 is an abundant number, since it is smaller than the sum of its proper divisors (55799972).

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

43224940 is a wasteful number, since it uses less digits than its factorization.

43224940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196497 (or 196495 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 43224940 is about 6574.5676663945. The cubic root of 43224940 is about 350.9496387460.

The spelling of 43224940 in words is "forty-three million, two hundred twenty-four thousand, nine hundred forty".