225820153357028 has 6 divisors (see below), whose sum is σ = 395185268374806. Its totient is φ = 112910076678512.

The previous prime is 225820153357009. The next prime is 225820153357063. The reversal of 225820153357028 is 820753351028522.

It can be written as a sum of positive squares in only one way, i.e., 119226133341184 + 106594020015844 = 10919072^2 + 10324438^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28227519169625 + ... + 28227519169632.

It is an arithmetic number, because the mean of its divisors is an integer number (65864211395801).

Almost surely, 2^{225820153357028} is an apocalyptic number.

It is an amenable number.

225820153357028 is a deficient number, since it is larger than the sum of its proper divisors (169365115017778).

225820153357028 is a wasteful number, since it uses less digits than its factorization.

225820153357028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56455038339261 (or 56455038339259 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 225820153357028 in words is "two hundred twenty-five trillion, eight hundred twenty billion, one hundred fifty-three million, three hundred fifty-seven thousand, twenty-eight".