226143505 has 8 divisors (see below), whose sum is σ = 310139712. Its totient is φ = 155069808.

The previous prime is 226143497. The next prime is 226143517. The reversal of 226143505 is 505341622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226143505 - 2³ = 226143497 is a prime.

It is a super-2 number, since 2×226143505² = 102281769707370050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230587 + ... + 3230656.

It is an arithmetic number, because the mean of its divisors is an integer number (38767464).

Almost surely, 2^226143505 is an apocalyptic number.

It is an amenable number.

226143505 is a deficient number, since it is larger than the sum of its proper divisors (83996207).

226143505 is an equidigital number, since it uses as much as digits as its factorization.

226143505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461255.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 226143505 is about 15038.0685262437. The cubic root of 226143505 is about 609.2488335074.

The spelling of 226143505 in words is "two hundred twenty-six million, one hundred forty-three thousand, five hundred five".