225225026 has 16 divisors (see below), whose sum is σ = 364479864. Its totient is φ = 103762944.

The previous prime is 225224983. The next prime is 225225029. The reversal of 225225026 is 620522522.

It can be written as a sum of positive squares in 4 ways, for example, as 222159025 + 3066001 = 14905^2 + 1751^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225224986 and 225225004.

It is not an unprimeable number, because it can be changed into a prime (225225029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7496 + ... + 22508.

Almost surely, 2^225225026 is an apocalyptic number.

225225026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

225225026 is a deficient number, since it is larger than the sum of its proper divisors (139254838).

225225026 is a wasteful number, since it uses less digits than its factorization.

225225026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15605.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 225225026 is about 15007.4989921705. The cubic root of 225225026 is about 608.4228954935.

Adding to 225225026 its reverse (620522522), we get a palindrome (845747548).

The spelling of 225225026 in words is "two hundred twenty-five million, two hundred twenty-five thousand, twenty-six".