225844038 has 120 divisors (see below), whose sum is σ = 614770992. Its totient is φ = 61671456.

The previous prime is 225844037. The next prime is 225844039. The reversal of 225844038 is 830448522.

225844038 is a `hidden beast` number, since 2 + 2 + 584 + 40 + 38 = 666.

It is an interprime number because it is at equal distance from previous prime (225844037) and next prime (225844039).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225843993 and 225844011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225844037) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 181956 + ... + 183192.

Almost surely, 2^225844038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225844038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307385496).

225844038 is an abundant number, since it is smaller than the sum of its proper divisors (388926954).

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

225844038 is a wasteful number, since it uses less digits than its factorization.

225844038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 225844038 is about 15028.1082641828. The cubic root of 225844038 is about 608.9797852981.

The spelling of 225844038 in words is "two hundred twenty-five million, eight hundred forty-four thousand, thirty-eight".