226769285 has 4 divisors (see below), whose sum is σ = 272123148. Its totient is φ = 181415424.

The previous prime is 226769281. The next prime is 226769287. The reversal of 226769285 is 582967622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79316836 + 147452449 = 8906^2 + 12143^2 .

It is a cyclic number.

It is not a de Polignac number, because 226769285 - 2² = 226769281 is a prime.

It is a super-2 number, since 2×226769285² = 102848617238822450, 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 (226769281) 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, 22676924 + ... + 22676933.

It is an arithmetic number, because the mean of its divisors is an integer number (68030787).

Almost surely, 2^226769285 is an apocalyptic number.

It is an amenable number.

226769285 is a deficient number, since it is larger than the sum of its proper divisors (45353863).

226769285 is an equidigital number, since it uses as much as digits as its factorization.

226769285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45353862.

The product of its digits is 725760, while the sum is 47.

The square root of 226769285 is about 15058.8606806757. The cubic root of 226769285 is about 609.8102832040.

The spelling of 226769285 in words is "two hundred twenty-six million, seven hundred sixty-nine thousand, two hundred eighty-five".