43140226 has 32 divisors (see below), whose sum is σ = 70968960. Its totient is φ = 19603584.

The previous prime is 43140199. The next prime is 43140233. The reversal of 43140226 is 62204134.

It is a happy number.

It is a super-2 number, since 2×43140226² = 3722158198662152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43140197 and 43140206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97161 + ... + 97603.

It is an arithmetic number, because the mean of its divisors is an integer number (2217780).

Almost surely, 2^43140226 is an apocalyptic number.

43140226 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

43140226 is a deficient number, since it is larger than the sum of its proper divisors (27828734).

43140226 is a wasteful number, since it uses less digits than its factorization.

43140226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 43140226 is about 6568.1219538008. The cubic root of 43140226 is about 350.7202203353.

The spelling of 43140226 in words is "forty-three million, one hundred forty thousand, two hundred twenty-six".