225942056634 has 64 divisors (see below), whose sum is σ = 524381184000. Its totient is φ = 63562961088.

The previous prime is 225942056633. The next prime is 225942056657. The reversal of 225942056634 is 436650249522.

It is not an unprimeable number, because it can be changed into a prime (225942056633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6734052 + ... + 6767520.

It is an arithmetic number, because the mean of its divisors is an integer number (8193456000).

Almost surely, 2^225942056634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225942056634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262190592000).

225942056634 is an abundant number, since it is smaller than the sum of its proper divisors (298439127366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225942056634 is a wasteful number, since it uses less digits than its factorization.

225942056634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35947.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 225942056634 in words is "two hundred twenty-five billion, nine hundred forty-two million, fifty-six thousand, six hundred thirty-four".