243460226 has 4 divisors (see below), whose sum is σ = 365190342. Its totient is φ = 121730112.

The previous prime is 243460219. The next prime is 243460229. The reversal of 243460226 is 622064342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622064342 = 2 ⋅311032171.

It can be written as a sum of positive squares in only one way, i.e., 157879225 + 85581001 = 12565^2 + 9251^2 .

It is not an unprimeable number, because it can be changed into a prime (243460229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60865055 + ... + 60865058.

Almost surely, 2^243460226 is an apocalyptic number.

243460226 is a deficient number, since it is larger than the sum of its proper divisors (121730116).

243460226 is a wasteful number, since it uses less digits than its factorization.

243460226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121730115.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 243460226 is about 15603.2120411151. The cubic root of 243460226 is about 624.4188526492.

The spelling of 243460226 in words is "two hundred forty-three million, four hundred sixty thousand, two hundred twenty-six".