225225663464 has 16 divisors (see below), whose sum is σ = 426479290020. Its totient is φ = 111497852800.

The previous prime is 225225663457. The next prime is 225225663511. The reversal of 225225663464 is 464366522522.

It can be written as a sum of positive squares in 2 ways, for example, as 205896322564 + 19329340900 = 453758^2 + 139030^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139371509 + ... + 139373124.

Almost surely, 2^225225663464 is an apocalyptic number.

It is an amenable number.

225225663464 is a deficient number, since it is larger than the sum of its proper divisors (201253626556).

225225663464 is a wasteful number, since it uses less digits than its factorization.

225225663464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278744740 (or 278744736 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 47.

The spelling of 225225663464 in words is "two hundred twenty-five billion, two hundred twenty-five million, six hundred sixty-three thousand, four hundred sixty-four".