226899143 has 4 divisors (see below), whose sum is σ = 227219880. Its totient is φ = 226578408.

The previous prime is 226899109. The next prime is 226899157. The reversal of 226899143 is 341998622.

226899143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 226899143 - 2²⁰ = 225850567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226899094 and 226899103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226899193) 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, 159305 + ... + 160722.

It is an arithmetic number, because the mean of its divisors is an integer number (56804970).

Almost surely, 2^226899143 is an apocalyptic number.

226899143 is a deficient number, since it is larger than the sum of its proper divisors (320737).

226899143 is an equidigital number, since it uses as much as digits as its factorization.

226899143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320736.

The product of its digits is 186624, while the sum is 44.

The square root of 226899143 is about 15063.1717443572. The cubic root of 226899143 is about 609.9266623290.

The spelling of 226899143 in words is "two hundred twenty-six million, eight hundred ninety-nine thousand, one hundred forty-three".