225533540656 has 80 divisors (see below), whose sum is σ = 449596536480. Its totient is φ = 109556858880.

The previous prime is 225533540651. The next prime is 225533540711. The reversal of 225533540656 is 656045335522.

It is not an unprimeable number, because it can be changed into a prime (225533540651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89460676 + ... + 89463196.

It is an arithmetic number, because the mean of its divisors is an integer number (5619956706).

Almost surely, 2^225533540656 is an apocalyptic number.

It is an amenable number.

225533540656 is a deficient number, since it is larger than the sum of its proper divisors (224062995824).

225533540656 is a wasteful number, since it uses less digits than its factorization.

225533540656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 225533540656 in words is "two hundred twenty-five billion, five hundred thirty-three million, five hundred forty thousand, six hundred fifty-six".