225259659658 has 16 divisors (see below), whose sum is σ = 384633095616. Its totient is φ = 97938982240.

The previous prime is 225259659631. The next prime is 225259659671. The reversal of 225259659658 is 856956952522.

It is a self number, because there is not a number n which added to its sum of digits gives 225259659658.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222588091 + ... + 222589102.

It is an arithmetic number, because the mean of its divisors is an integer number (24039568476).

Almost surely, 2^225259659658 is an apocalyptic number.

225259659658 is a deficient number, since it is larger than the sum of its proper divisors (159373435958).

225259659658 is a wasteful number, since it uses less digits than its factorization.

225259659658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445177229.

The product of its digits is 116640000, while the sum is 64.

The spelling of 225259659658 in words is "two hundred twenty-five billion, two hundred fifty-nine million, six hundred fifty-nine thousand, six hundred fifty-eight".