226111525 has 6 divisors (see below), whose sum is σ = 280378322. Its totient is φ = 180889200.

The previous prime is 226111517. The next prime is 226111537. The reversal of 226111525 is 525111622.

It can be written as a sum of positive squares in 3 ways, for example, as 11840481 + 214271044 = 3441^2 + 14638^2 .

It is not a de Polignac number, because 226111525 - 2³ = 226111517 is a prime.

It is a super-2 number, since 2×226111525² = 102252843475651250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 9044461 = 226111525 / (2 + 2 + 6 + 1 + 1 + 1 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226111525.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4522206 + ... + 4522255.

Almost surely, 2^226111525 is an apocalyptic number.

226111525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226111525 is a deficient number, since it is larger than the sum of its proper divisors (54266797).

226111525 is an equidigital number, since it uses as much as digits as its factorization.

226111525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9044471 (or 9044466 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 226111525 is about 15037.0051872040. The cubic root of 226111525 is about 609.2201132542.

The spelling of 226111525 in words is "two hundred twenty-six million, one hundred eleven thousand, five hundred twenty-five".