226993709 has 4 divisors (see below), whose sum is σ = 230841120. Its totient is φ = 223146300.

The previous prime is 226993681. The next prime is 226993717. The reversal of 226993709 is 907399622.

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: 907399622 = 2 ⋅453699811.

It is a cyclic number.

It is not a de Polignac number, because 226993709 - 2¹² = 226989613 is a prime.

It is a super-2 number, since 2×226993709² = 103052287851153362, 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 (226993009) 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, 1923617 + ... + 1923734.

It is an arithmetic number, because the mean of its divisors is an integer number (57710280).

Almost surely, 2^226993709 is an apocalyptic number.

It is an amenable number.

226993709 is a deficient number, since it is larger than the sum of its proper divisors (3847411).

226993709 is an equidigital number, since it uses as much as digits as its factorization.

226993709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847410.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 226993709 is about 15066.3103977052. The cubic root of 226993709 is about 610.0113847199.

The spelling of 226993709 in words is "two hundred twenty-six million, nine hundred ninety-three thousand, seven hundred nine".