225216513112 has 8 divisors (see below), whose sum is σ = 422280962100. Its totient is φ = 112608256552.

The previous prime is 225216513101. The next prime is 225216513113. The reversal of 225216513112 is 211315612522.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225216513113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14076032062 + ... + 14076032077.

Almost surely, 2^225216513112 is an apocalyptic number.

It is an amenable number.

225216513112 is a deficient number, since it is larger than the sum of its proper divisors (197064448988).

225216513112 is a wasteful number, since it uses less digits than its factorization.

225216513112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28152064145 (or 28152064141 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The spelling of 225216513112 in words is "two hundred twenty-five billion, two hundred sixteen million, five hundred thirteen thousand, one hundred twelve".