225904077 has 12 divisors (see below), whose sum is σ = 372921120. Its totient is φ = 129088008.

The previous prime is 225904057. The next prime is 225904079. The reversal of 225904077 is 770409522.

225904077 is a `hidden beast` number, since 22 + 590 + 40 + 7 + 7 = 666.

It is not a de Polignac number, because 225904077 - 2¹² = 225899981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225904079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1792827 + ... + 1792952.

It is an arithmetic number, because the mean of its divisors is an integer number (31076760).

Almost surely, 2^225904077 is an apocalyptic number.

It is an amenable number.

225904077 is a deficient number, since it is larger than the sum of its proper divisors (147017043).

225904077 is a wasteful number, since it uses less digits than its factorization.

225904077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585792 (or 3585789 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 225904077 is about 15030.1056882512. The cubic root of 225904077 is about 609.0337448036.

Subtracting 225904077 from its reverse (770409522), we obtain a palindrome (544505445).

The spelling of 225904077 in words is "two hundred twenty-five million, nine hundred four thousand, seventy-seven".