225724022634 has 32 divisors (see below), whose sum is σ = 493151721984. Its totient is φ = 68309143280.

The previous prime is 225724022617. The next prime is 225724022639. The reversal of 225724022634 is 436220427522.

It is a junction number, because it is equal to n+sod(n) for n = 225724022592 and 225724022601.

It is not an unprimeable number, because it can be changed into a prime (225724022639) 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, 2252484 + ... + 2350559.

It is an arithmetic number, because the mean of its divisors is an integer number (15410991312).

Almost surely, 2^225724022634 is an apocalyptic number.

225724022634 is an abundant number, since it is smaller than the sum of its proper divisors (267427699350).

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

225724022634 is a wasteful number, since it uses less digits than its factorization.

225724022634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603802.

The product of its (nonzero) digits is 322560, while the sum is 39.

The spelling of 225724022634 in words is "two hundred twenty-five billion, seven hundred twenty-four million, twenty-two thousand, six hundred thirty-four".