224911225 has 36 divisors (see below), whose sum is σ = 353937168. Its totient is φ = 140196000.

The previous prime is 224911201. The next prime is 224911229. The reversal of 224911225 is 522119422.

It is not a de Polignac number, because 224911225 - 2¹¹ = 224909177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224911193 and 224911202.

It is not an unprimeable number, because it can be changed into a prime (224911229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5130 + ... + 21820.

It is an arithmetic number, because the mean of its divisors is an integer number (9831588).

Almost surely, 2^224911225 is an apocalyptic number.

224911225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224911225 is a deficient number, since it is larger than the sum of its proper divisors (129025943).

224911225 is a wasteful number, since it uses less digits than its factorization.

224911225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16726 (or 16714 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 224911225 is about 14997.0405413868. The cubic root of 224911225 is about 608.1401968150.

It can be divided in two parts, 22491 and 1225, that added together give a square (23716 = 154²).

The spelling of 224911225 in words is "two hundred twenty-four million, nine hundred eleven thousand, two hundred twenty-five".