225651124 has 6 divisors (see below), whose sum is σ = 394889474. Its totient is φ = 112825560.

The previous prime is 225651119. The next prime is 225651191. The reversal of 225651124 is 421156522.

It can be written as a sum of positive squares in only one way, i.e., 134792100 + 90859024 = 11610^2 + 9532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225651092 and 225651101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28206387 + ... + 28206394.

Almost surely, 2^225651124 is an apocalyptic number.

It is an amenable number.

225651124 is a deficient number, since it is larger than the sum of its proper divisors (169238350).

225651124 is a wasteful number, since it uses less digits than its factorization.

225651124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56412785 (or 56412783 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 225651124 is about 15021.6884536992. The cubic root of 225651124 is about 608.8063408368.

The spelling of 225651124 in words is "two hundred twenty-five million, six hundred fifty-one thousand, one hundred twenty-four".