225472407 has 16 divisors (see below), whose sum is σ = 308417760. Its totient is φ = 146432000.

The previous prime is 225472397. The next prime is 225472417. The reversal of 225472407 is 704274522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (225472397) and next prime (225472417).

It is a cyclic number.

It is not a de Polignac number, because 225472407 - 2¹⁵ = 225439639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225472417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159319 + ... + 160727.

It is an arithmetic number, because the mean of its divisors is an integer number (19276110).

Almost surely, 2^225472407 is an apocalyptic number.

225472407 is a deficient number, since it is larger than the sum of its proper divisors (82945353).

225472407 is a wasteful number, since it uses less digits than its factorization.

225472407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 225472407 is about 15015.7386431704. The cubic root of 225472407 is about 608.6455723342.

The spelling of 225472407 in words is "two hundred twenty-five million, four hundred seventy-two thousand, four hundred seven".