225416404 has 6 divisors (see below), whose sum is σ = 394478714. Its totient is φ = 112708200.

The previous prime is 225416393. The next prime is 225416417. The reversal of 225416404 is 404614522.

It can be written as a sum of positive squares in only one way, i.e., 192376900 + 33039504 = 13870^2 + 5748^2 .

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, 28177047 + ... + 28177054.

Almost surely, 2^225416404 is an apocalyptic number.

It is an amenable number.

225416404 is a deficient number, since it is larger than the sum of its proper divisors (169062310).

225416404 is a wasteful number, since it uses less digits than its factorization.

225416404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56354105 (or 56354103 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 225416404 is about 15013.8737173322. The cubic root of 225416404 is about 608.5951762186.

The spelling of 225416404 in words is "two hundred twenty-five million, four hundred sixteen thousand, four hundred four".