225024775 has 12 divisors (see below), whose sum is σ = 288653400. Its totient is φ = 173811680.

The previous prime is 225024757. The next prime is 225024797. The reversal of 225024775 is 577420522.

It is a happy number.

It is not a de Polignac number, because 225024775 - 2⁷ = 225024647 is a prime.

It is a super-2 number, since 2×225024775² = 101272298727601250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225024775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154465 + ... + 155914.

It is an arithmetic number, because the mean of its divisors is an integer number (24054450).

Almost surely, 2^225024775 is an apocalyptic number.

225024775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225024775 is a deficient number, since it is larger than the sum of its proper divisors (63628625).

225024775 is a wasteful number, since it uses less digits than its factorization.

225024775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310418 (or 310413 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 225024775 is about 15000.8258106012. The cubic root of 225024775 is about 608.2425226720.

The spelling of 225024775 in words is "two hundred twenty-five million, twenty-four thousand, seven hundred seventy-five".