226125013 has 4 divisors (see below), whose sum is σ = 227432268. Its totient is φ = 224817760.

The previous prime is 226125001. The next prime is 226125017. The reversal of 226125013 is 310521622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310521622 = 2 ⋅155260811.

It can be written as a sum of positive squares in 2 ways, for example, as 100841764 + 125283249 = 10042^2 + 11193^2 .

It is a cyclic number.

It is not a de Polignac number, because 226125013 - 2¹⁷ = 225993941 is a prime.

It is a super-2 number, since 2×226125013² = 102265043008500338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226125017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653368 + ... + 653713.

It is an arithmetic number, because the mean of its divisors is an integer number (56858067).

Almost surely, 2^226125013 is an apocalyptic number.

It is an amenable number.

226125013 is a deficient number, since it is larger than the sum of its proper divisors (1307255).

226125013 is a wasteful number, since it uses less digits than its factorization.

226125013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307254.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 226125013 is about 15037.4536740766. The cubic root of 226125013 is about 609.2322267418.

Adding to 226125013 its reverse (310521622), we get a palindrome (536646635).

The spelling of 226125013 in words is "two hundred twenty-six million, one hundred twenty-five thousand, thirteen".