225215434403 has 8 divisors (see below), whose sum is σ = 232486052736. Its totient is φ = 217945166400.

The previous prime is 225215434387. The next prime is 225215434429. The reversal of 225215434403 is 304434512522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 225215434403 - 2⁴ = 225215434387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225215434463) 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, 2038463 + ... + 2146103.

It is an arithmetic number, because the mean of its divisors is an integer number (29060756592).

Almost surely, 2^225215434403 is an apocalyptic number.

225215434403 is a deficient number, since it is larger than the sum of its proper divisors (7270618333).

225215434403 is a wasteful number, since it uses less digits than its factorization.

225215434403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175165.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 225215434403 its reverse (304434512522), we get a palindrome (529649946925).

The spelling of 225215434403 in words is "two hundred twenty-five billion, two hundred fifteen million, four hundred thirty-four thousand, four hundred three".