225420315315 has 32 divisors (see below), whose sum is σ = 389665575936. Its totient is φ = 110619288960.

The previous prime is 225420315227. The next prime is 225420315317. The reversal of 225420315315 is 513513024522.

It is not a de Polignac number, because 225420315315 - 2⁸ = 225420315059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225420315317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1797879 + ... + 1919168.

It is an arithmetic number, because the mean of its divisors is an integer number (12177049248).

Almost surely, 2^225420315315 is an apocalyptic number.

225420315315 is a deficient number, since it is larger than the sum of its proper divisors (164245260621).

225420315315 is a wasteful number, since it uses less digits than its factorization.

225420315315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717379.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 225420315315 its reverse (513513024522), we get a palindrome (738933339837).

The spelling of 225420315315 in words is "two hundred twenty-five billion, four hundred twenty million, three hundred fifteen thousand, three hundred fifteen".