225404043 has 8 divisors (see below), whose sum is σ = 303296400. Its totient is φ = 148890528.

The previous prime is 225404017. The next prime is 225404059. The reversal of 225404043 is 340404522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225404043 - 2²⁵ = 191849611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225404083) 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, 344328 + ... + 344981.

It is an arithmetic number, because the mean of its divisors is an integer number (37912050).

Almost surely, 2^225404043 is an apocalyptic number.

225404043 is a deficient number, since it is larger than the sum of its proper divisors (77892357).

225404043 is a wasteful number, since it uses less digits than its factorization.

225404043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689421.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 225404043 is about 15013.4620590988. The cubic root of 225404043 is about 608.5840516474.

Adding to 225404043 its reverse (340404522), we get a palindrome (565808565).

The spelling of 225404043 in words is "two hundred twenty-five million, four hundred four thousand, forty-three".