225266405 has 32 divisors (see below), whose sum is σ = 352283904. Its totient is φ = 134194176.

The previous prime is 225266389. The next prime is 225266477. The reversal of 225266405 is 504662522.

It is a cyclic number.

It is not a de Polignac number, because 225266405 - 2⁴ = 225266389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6827 + ... + 22296.

It is an arithmetic number, because the mean of its divisors is an integer number (11008872).

Almost surely, 2^225266405 is an apocalyptic number.

It is an amenable number.

225266405 is a deficient number, since it is larger than the sum of its proper divisors (127017499).

225266405 is a wasteful number, since it uses less digits than its factorization.

225266405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29165.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 225266405 is about 15008.8775396430. The cubic root of 225266405 is about 608.4601536227.

The spelling of 225266405 in words is "two hundred twenty-five million, two hundred sixty-six thousand, four hundred five".