225662021512 has 8 divisors (see below), whose sum is σ = 423116290350. Its totient is φ = 112831010752.

The previous prime is 225662021483. The next prime is 225662021531. The reversal of 225662021512 is 215120266522.

225662021512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 224026142596 + 1635878916 = 473314^2 + 40446^2 .

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

It is a super-2 number, since 2×225662021512² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14103876337 + ... + 14103876352.

Almost surely, 2^225662021512 is an apocalyptic number.

It is an amenable number.

225662021512 is a deficient number, since it is larger than the sum of its proper divisors (197454268838).

225662021512 is a wasteful number, since it uses less digits than its factorization.

225662021512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28207752695 (or 28207752691 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 225662021512 in words is "two hundred twenty-five billion, six hundred sixty-two million, twenty-one thousand, five hundred twelve".