225601254450 has 144 divisors (see below), whose sum is σ = 712079798976. Its totient is φ = 50484182400.

The previous prime is 225601254433. The next prime is 225601254467. The reversal of 225601254450 is 54452106522.

225601254450 is a `hidden beast` number, since 2 + 2 + 5 + 60 + 1 + 2 + 544 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (225601254433) and next prime (225601254467).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1688574 + ... + 1817273.

It is an arithmetic number, because the mean of its divisors is an integer number (4944998604).

Almost surely, 2^225601254450 is an apocalyptic number.

225601254450 is an abundant number, since it is smaller than the sum of its proper divisors (486478544526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225601254450 is a wasteful number, since it uses less digits than its factorization.

225601254450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505889 (or 3505881 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 225601254450 in words is "two hundred twenty-five billion, six hundred one million, two hundred fifty-four thousand, four hundred fifty".