43223425 has 24 divisors (see below), whose sum is σ = 61511936. Its totient is φ = 29514240.

The previous prime is 43223407. The next prime is 43223429. The reversal of 43223425 is 52432234.

It is not a de Polignac number, because 43223425 - 2¹¹ = 43221377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43223425.

It is not an unprimeable number, because it can be changed into a prime (43223429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63889 + ... + 64561.

Almost surely, 2^43223425 is an apocalyptic number.

It is an amenable number.

43223425 is a deficient number, since it is larger than the sum of its proper divisors (18288511).

43223425 is a wasteful number, since it uses less digits than its factorization.

43223425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1052 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 43223425 is about 6574.4524486835. The cubic root of 43223425 is about 350.9455385289.

Adding to 43223425 its reverse (52432234), we get a palindrome (95655659).

The spelling of 43223425 in words is "forty-three million, two hundred twenty-three thousand, four hundred twenty-five".