226534143 has 48 divisors (see below), whose sum is σ = 351783936. Its totient is φ = 129360000.

The previous prime is 226534127. The next prime is 226534157. The reversal of 226534143 is 341435622.

It is not a de Polignac number, because 226534143 - 2⁴ = 226534127 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 226534143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226534193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 461128 + ... + 461618.

It is an arithmetic number, because the mean of its divisors is an integer number (7328832).

Almost surely, 2^226534143 is an apocalyptic number.

226534143 is a deficient number, since it is larger than the sum of its proper divisors (125249793).

226534143 is a wasteful number, since it uses less digits than its factorization.

226534143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 577 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 226534143 is about 15051.0512257450. The cubic root of 226534143 is about 609.5994351310.

Adding to 226534143 its reverse (341435622), we get a palindrome (567969765).

It can be divided in two parts, 22653 and 4143, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 226534143 in words is "two hundred twenty-six million, five hundred thirty-four thousand, one hundred forty-three".