225521615030 has 32 divisors (see below), whose sum is σ = 423617568768. Its totient is φ = 86280594400.

The previous prime is 225521615009. The next prime is 225521615047. The reversal of 225521615030 is 30516125522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4850795 + ... + 4897065.

It is an arithmetic number, because the mean of its divisors is an integer number (13238049024).

Almost surely, 2^225521615030 is an apocalyptic number.

225521615030 is a deficient number, since it is larger than the sum of its proper divisors (198095953738).

225521615030 is a wasteful number, since it uses less digits than its factorization.

225521615030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67492.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 225521615030 in words is "two hundred twenty-five billion, five hundred twenty-one million, six hundred fifteen thousand, thirty".