226520069 has 4 divisors (see below), whose sum is σ = 233827200. Its totient is φ = 219212940.

The previous prime is 226520027. The next prime is 226520089. The reversal of 226520069 is 960025622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 960025622 = 2 ⋅480012811.

It is a cyclic number.

It is not a de Polignac number, because 226520069 - 2²⁴ = 209742853 is a prime.

It is a super-2 number, since 2×226520069² = 102622683319529522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226520089) 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, 3653519 + ... + 3653580.

It is an arithmetic number, because the mean of its divisors is an integer number (58456800).

Almost surely, 2^226520069 is an apocalyptic number.

It is an amenable number.

226520069 is a deficient number, since it is larger than the sum of its proper divisors (7307131).

226520069 is an equidigital number, since it uses as much as digits as its factorization.

226520069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7307130.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 226520069 is about 15050.5836763894. The cubic root of 226520069 is about 609.5868105732.

The spelling of 226520069 in words is "two hundred twenty-six million, five hundred twenty thousand, sixty-nine".